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      <filedesc>
         <titlestmt>
            <titleproper encodinganalog="245$a">Finding Aid to the Papers of Hugh Johnson, <date normal="1946/1999" era="ce" calendar="gregorian">1946-1999</date>
            </titleproper>
         </titlestmt>
         <publicationstmt>
            <publisher encodinganalog="260$b">American Institute of Physics. Center for History of Physics.</publisher>
            <address>
               <addressline>One Physics Ellipse</addressline>
               <addressline>College Park, MD 20740</addressline>
               <addressline altrender="email">nbl@aip.org</addressline>
            </address>
            <date encodinganalog="260$c" normal="2004-12-28" type="publication" era="ce"
                  calendar="gregorian">December 28, 2004</date>
         </publicationstmt>
      </filedesc>
      <profiledesc>
         <creation encodinganalog="500$a">Machine-readable finding aid encoded in EAD 2002 by Katherine A. Hayes on <date normal="2004-12-28" type="encoder" era="ce" calendar="gregorian">December 28, 2004</date>. Any revisions made to this finding aid occurred as part of the editing and encoding process. <!-- Reviewed by [name, institution] on <date normal="YYYY-MM-DD" type="reviewer">USE ONLY IF REVIEWED</date>. --></creation>
         <langusage>Finding aid written in <language encodinganalog="546$a" langcode="eng">English</language>.</langusage>
      </profiledesc>
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   <archdesc level="collection" relatedencoding="marc21" type="inventory">
      <did>
         <head>Description of the Collection</head>
         <repository encodinganalog="852" label="Location of collection:">
            <corpname>American Institute of Physics. Center for History of Physics.</corpname>
            <address>
               <addressline>College Park, MD 20740</addressline>
            </address>
         </repository>
         <unittitle encodinganalog="245$a" label="Title and dates of collection:">Papers of Hugh Johnson, <unitdate encodinganalog="245$f" type="inclusive" era="ce" calendar="gregorian">1946-1999</unitdate>
         </unittitle>
         <langmaterial encodinganalog="546$a" label="Language(s) of material:">
            <language encodinganalog="041$a" langcode="eng">English</language>.</langmaterial>
         <physdesc label="Size of collection:">
            <extent encodinganalog="300">4.25 linear feet (9 boxes)</extent>
         </physdesc>
         <unitid countrycode="US" encodinganalog="084$a" repositorycode="MdCpAIP"
                 type="collection">AR 1999-212</unitid>
         <origination label="Papers/Records created by:">
            <persname encodinganalog="100" source="lcnaf">Johnson, Hugh M.</persname>
         </origination>
         <abstract label="Short description of collection:">This collection contains primarily correspondence, with notes, photographs, and notebooks focusing on the research of Hugh Johnson, an astronomer specializing in x-ray astronomy.</abstract>
         <note>
            <p>See below for information on access and restrictions.</p>
         </note>
      </did>
      <controlaccess>
         <head>Selected Search Terms</head>
         <p>These papers have been indexed in the <extref xlink:type="simple"
                    xlink:href="http://libserv.aip.org/webpac-bin/wgbroker?new+-access+top.icos">International Catalog of Sources for History of Physics and Allied Sciences (ICOS)</extref> using the following terms. Those seeking related materials should search under these terms.</p>
         <persname encodinganalog="600" source="lcnaf">Abt, Helmut A.</persname>
         <persname encodinganalog="600" source="lcnaf">Aller, Lawrence H. (Lawrence Hugh), 1913-</persname>
         <persname encodinganalog="600" source="lcnaf">Bateson, Frank M.</persname>
         <persname encodinganalog="600" source="lcnaf">Bok, Bart Jan, 1906-</persname>
         <persname encodinganalog="600" source="lcnaf">Chandrasekhar, S. (Subrahmanyan), 1910-</persname>
         <persname encodinganalog="600" source="lcnaf">Giacconi, Riccardo.</persname>
         <persname encodinganalog="696" source="local">Heeschen, David S.</persname>
         <persname encodinganalog="696" source="local">Herbig, George.</persname>
         <persname encodinganalog="600" source="lcnaf">Hiltner, William Albert, 1914-1991.</persname>
         <persname encodinganalog="600" source="lcnaf">Hogg, Helen Sawyer, 1905-</persname>
         <persname encodinganalog="696" source="local">Howard, W. E. III.</persname>
         <persname encodinganalog="600" source="lcnaf">Kuiper, Gerard Peter, 1905-</persname>
         <persname encodinganalog="600" source="lcnaf">Luyten, Willem Jacob, 1899-</persname>
         <persname encodinganalog="600" source="lcnaf">Mayall, N. U. (Nicholas Ulrich), 1906-</persname>
         <persname encodinganalog="600" source="lcnaf">Osterbrock, Donald E.</persname>
         <persname encodinganalog="696" source="local">Pottasch, Stuart.</persname>
         <persname encodinganalog="696" source="local">Poveda, Arcadio.</persname>
         <persname encodinganalog="696" source="local">Seward, Frederick D.</persname>
         <persname encodinganalog="696" source="local">Smith, Lindsey.</persname>
         <persname encodinganalog="696" source="local">Snow, Theodore.</persname>
         <persname encodinganalog="696" source="local">Stephenson, Bruce.</persname>
         <persname encodinganalog="600" source="lcnaf">Strömgren, bengt, 1908-</persname>
         <persname encodinganalog="600" source="lcnaf">Swings, P. (Polydore), 1906-</persname>
         <persname encodinganalog="600" source="lcnaf">Terzian, Yervant.</persname>
         <persname encodinganalog="696" source="local">Westerhout, Gart.</persname>
         <corpname encodinganalog="610" source="lcnaf">American Astronomical Society.</corpname>
         <corpname encodinganalog="610" source="lcnaf">International Astronomical Union.</corpname>
         <corpname encodinganalog="610" source="lcnaf">Lockheed Missiles and Space Company.</corpname>
         <subject encodinganalog="650" source="lcsh">Astronomers---Correspondence.</subject>
         <subject encodinganalog="650" source="lcsh">Astronomy.</subject>
         <subject encodinganalog="650" source="lcsh">Galaxies.</subject>
         <subject encodinganalog="650" source="lcsh">Interstellar matter.</subject>
         <subject encodinganalog="650" source="lcsh">Nebulae.</subject>
         <subject encodinganalog="650" source="lcsh">X-ray astronomy.</subject>
         <genreform encodinganalog="655" source="aat">Notebooks.</genreform>
      </controlaccess>
      <bioghist encodinganalog="545$a">
         <head>Biography of Hugh M. Johnson</head>
         <p>Hugh Johnson was born on March 4, 1923 in Des Moines, Iowa.  He earned his AB in 1948 and his SB in 1949 from the University of Chicago.  In 1953 he received his Ph.D. in astronomy from the University of Chicago, where he worked as an Assistant Astronomer at Yerkes Observatory from 1950 to 1953.  He was an Assistant Professor at the University of Iowa from 1954 to 1959.  He was an Associate Professor and Associate Astronomer at the University of Arizona from 1960 to 1962.  Johnson was an Associate Scientist at the National Radio Astronomy Observatory during 1962 and 1963.  From 1963 to 1986, Johnson was a Staff Scientist at Lockheed Missiles &amp; Space Company.  Johnson was also a Research Associate at the Yerkes Observatory from 1953 to 1960, a Visiting Fellow at the Australian National University in 1958 and 1959, and a lecturer at Stanford University in 1971 through 1975 and 1980 through 1982.  Johnson was a member of the American Astronomical Society and the International Astronomical Union.  His research interests included x-ray astronomy, nebulae, galaxies, galactic structure, and interstellar matter.
</p>
      </bioghist>
      <scopecontent encodinganalog="520$a">
         <head>Scope and Contents of Collection</head>
         <p>The collection is centered on Johnson's time at Lockheed Space &amp; Missile Company (1963-1986), with some material from his work before and after this period.  The bulk of the research material he saved is on x-ray astronomy.  The collection is comprised mainly of correspondence (both professional and personal), with lesser amounts of notes, newspaper clippings, and notebooks. The correspondents include: Helmet A. Abt, Lawrence H. Aller, Frank M. Bateson, Bart J. Bok, Riccardo Giacconi, David S. Heeschen, George Herbig, William Hiltner, W.E. Howard III, Helen Hogg, Willem Luyten, N.U. Mayall, Donald Osterbrock, Stuart Pottasch, Arcadio Poveda, Frederick D. Seward, Lindsey Smith, Theodore Snow, Bruce Stephenson, Polydore Swings, Yervant Terzian, and Gart Westerhout. Some correspondence related to specific research subjects, observatories, meetings, and programs is accompanied by research notes and photographs.  The collection also contains notebooks from courses at the University of Chicago (taught by Subrahmanyan Chandrasekhar, Gerard Peter Kuiper, and Bengt Strömgren), the 1964 Hamburg IAU meeting, Yerkes Observatory Colloquia, and an NSF conference for teachers of astronomy at Berkeley in 1954.
</p>
      </scopecontent>
      <arrangement encodinganalog="351$a">
         <head>Arrangement/Organization of Collection</head>
         <p>This collection has been divided into six series: Series I. Alphabetical Correspondence; Series II. Subject Correspondence; Series III. Johnson-Stephenson Correspondence; Series IV. IAU Tapes Correspondence; Series V. Notebooks; and Series VI. Referee Reports.
</p>
         <p>The arrangement of the collection follows Johnson's original order.  The Alphabetical Correspondence is arranged alphabetically by correspondent and then in reverse chronological order. The folders which contain only one correspondent were originally separated out by Johnson. The Subject Correspondence is arranged alphabetically by subject and then in reverse chronological order.  The Stephenson-Johnson Correspondence and the Referee Reports have also been organized in reverse chronological order by date.  The IAU Tape Correspondence and Notebooks have been arranged in chronological order.
</p>
      </arrangement>
      <accessrestrict encodinganalog="506$a">
         <head>Access to Collection</head>
         <p>This collection is open to researchers except for the Referee Reports, which require permission of the donor or donor's heirs until 2075.
</p>
      </accessrestrict>
      <userestrict encodinganalog="540$a">
         <head>Restrictions on Use of Collection</head>
         <p>Use of primary source material in the Niels Bohr Library requires prior approval through an Application for Access, which includes a statement of research purpose and the names and addresses of two scholars as references. Access applications can be obtained by contacting the Library (telephone 301-209-3177; or e-mail <extref xlink:type="simple" xlink:href="mailto:nbl@aip.org">nbl@aip.org</extref>). The application can also be printed from <extref xlink:type="simple" xlink:href="http://www.aip.org/history/access.htm">our website</extref>.</p>
      </userestrict>
      <acqinfo encodinganalog="541$a">
         <head>Provenance and Acquisition Information</head>
         <p>The IAU Tapes Correspondence was received from Hugh Johnson in October 1999 and the remainder of the collection was received in March 2000.
</p>
      </acqinfo>
      <processinfo>
         <head>Processing Information</head>
         <p>The collection was processed by Heather McBride in May and June 2001.</p>
         <p>Newspaper articles were photocopied onto acid-free paper and the originals were removed from the collection.  All materials were rehoused in archival quality, acid-free folders and boxes.
</p>
      </processinfo>
      <prefercite encodinganalog="524$a">
         <head>Preferred Citation of Collection</head>
         <p>Cite as: [Folder title, date; Folder number, Box number], Hugh M. Johnson Papers, 1946-1999. American Institute of Physics, Niels Bohr Library, College Park, MD, 20740 USA.</p>
      </prefercite>
      <relatedmaterial encodinganalog="540$a">
         <head>Other Related Materials</head>
         <p>Johnson, Hugh M., Address at International Astronomical Union Mtg., 1967; (Highlight of Astronomy-X-Ray Astronomy), Optical and Radio Information. 1967. 7-86-(1-3). Advance notice of two business days is required for use of audio and video tapes.
</p>
      </relatedmaterial>
      <dsc type="combined">
         <head>Container List</head>
         <c01 level="series">
            <did>
               <unittitle>Series I.  Alphabetical Correspondence, <unitdate type="inclusive" era="ce" calendar="gregorian">1999-1946</unitdate>
               </unittitle>
               <physdesc>
                  <extent>Boxes 1-5</extent>
               </physdesc>
            </did>
            <scopecontent>
               <p>This series contains correspondence both sent and received by Johnson.  The majority of the correspondence pertains to his research at Lockheed Missiles &amp; Space Company, but also covers some of Johnson's work before 1963.  Also contains personal correspondence with other scientists.</p>
            </scopecontent>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">1</container>
                  <unittitle>A <unitdate era="ce" calendar="gregorian">1988-1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">2</container>
                  <unittitle>Babcock-Beavers <unitdate era="ce" calendar="gregorian">1991-1947</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">3</container>
                  <unittitle>Becker-Bowyer <unitdate era="ce" calendar="gregorian">1987-1946</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">4</container>
                  <unittitle>Bradt-Butler <unitdate era="ce" calendar="gregorian">1990-1950</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">5</container>
                  <unittitle>Bashkin <unitdate era="ce" calendar="gregorian">1972-1959</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">6</container>
                  <unittitle>Bok <unitdate era="ce" calendar="gregorian">1979-1954</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">7</container>
                  <unittitle>Cameron-Clark <unitdate era="ce" calendar="gregorian">1983-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">8</container>
                  <unittitle>Code-Cummings <unitdate era="ce" calendar="gregorian">1989-1954</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">9</container>
                  <unittitle>D <unitdate era="ce" calendar="gregorian">1987-1959</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 1</container>
                  <container type="folder">10</container>
                  <unittitle>E <unitdate era="ce" calendar="gregorian">1985-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">1</container>
                  <unittitle>F <unitdate era="ce" calendar="gregorian">1988-1957</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">2</container>
                  <unittitle>G <unitdate era="ce" calendar="gregorian">1987-1951</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">3</container>
                  <unittitle>Golson <unitdate era="ce" calendar="gregorian">1972-1969</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">4</container>
                  <unittitle>Golson <unitdate era="ce" calendar="gregorian">1968-1967</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">5</container>
                  <unittitle>Habing-Heeschen <unitdate era="ce" calendar="gregorian">1984-1946</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">6</container>
                  <unittitle>Henize-D. Hogg <unitdate era="ce" calendar="gregorian">1984-1961</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">7</container>
                  <unittitle>H. Hogg-Huth <unitdate era="ce" calendar="gregorian">1980-1947</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">8</container>
                  <unittitle>Herbig <unitdate era="ce" calendar="gregorian">1986-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">9</container>
                  <unittitle>I <unitdate era="ce" calendar="gregorian">1981-1966</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 2</container>
                  <container type="folder">10</container>
                  <unittitle>J <unitdate era="ce" calendar="gregorian">1986-1953</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">1</container>
                  <unittitle>K <unitdate era="ce" calendar="gregorian">1983-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">2</container>
                  <unittitle>L <unitdate era="ce" calendar="gregorian">1986-1957</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">3</container>
                  <unittitle>Maccacaro-Mayer <unitdate era="ce" calendar="gregorian">1988-1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">4</container>
                  <unittitle>McCarthy-Mezger <unitdate era="ce" calendar="gregorian">1993-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">5</container>
                  <unittitle>Michalitsianos-Murray <unitdate era="ce" calendar="gregorian">1984-1954</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">6</container>
                  <unittitle>Mayor- Correspondence with Mayor <unitdate era="ce" calendar="gregorian">1992-1983</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">7</container>
                  <unittitle>Mayor- Correspondence with Others and Notes <unitdate era="ce" calendar="gregorian">1986-1984</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">8</container>
                  <unittitle>N <unitdate era="ce" calendar="gregorian">1980-1960</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">9</container>
                  <unittitle>O <unitdate era="ce" calendar="gregorian">1984-1962</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">10</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1999-1994</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 3</container>
                  <container type="folder">11</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1993-1988</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">1</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1987-1985</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">2</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1984-1977</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">3</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1976-1965</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">4</container>
                  <unittitle>Osterbrock <unitdate era="ce" calendar="gregorian">1963-1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">5</container>
                  <unittitle>Pacholczyk-Pismis <unitdate era="ce" calendar="gregorian">1988-1958</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">6</container>
                  <unittitle>Plaut-Purton <unitdate era="ce" calendar="gregorian">1986-1958</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">7</container>
                  <unittitle>R <unitdate era="ce" calendar="gregorian">1986-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">8</container>
                  <unittitle>Sadler-Scott <unitdate era="ce" calendar="gregorian">1995-1955</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">9</container>
                  <unittitle>Seaton-Silk <unitdate era="ce" calendar="gregorian">1986-1953</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">10</container>
                  <unittitle>Simpson-Snijders <unitdate era="ce" calendar="gregorian">1988-1959</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 4</container>
                  <container type="folder">11</container>
                  <unittitle>Snow-Spinrad <unitdate era="ce" calendar="gregorian">1979-1963</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">1</container>
                  <unittitle>Spitzer-Swings <unitdate era="ce" calendar="gregorian">1982-1946</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">2</container>
                  <unittitle>T <unitdate era="ce" calendar="gregorian">1993-1960</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">3</container>
                  <unittitle>U <unitdate era="ce" calendar="gregorian">1983-1973</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">4</container>
                  <unittitle>V <unitdate era="ce" calendar="gregorian">1988-1957</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">5</container>
                  <unittitle>Wade-Weymann <unitdate era="ce" calendar="gregorian">1986-1956</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">6</container>
                  <unittitle>White-Wynn <unitdate era="ce" calendar="gregorian">1986-1958</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">7</container>
                  <unittitle>Westerlund <unitdate era="ce" calendar="gregorian">1979-1960</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">8</container>
                  <unittitle>Y <unitdate era="ce" calendar="gregorian">1977-1973</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">9</container>
                  <unittitle>Z <unitdate era="ce" calendar="gregorian">1983-1969</unitdate>
                  </unittitle>
               </did>
            </c02>
         </c01>
         <c01 level="series">
            <did>
               <unittitle>Series II.  Subject Correspondence, <unitdate type="inclusive" era="ce" calendar="gregorian">1999-1959</unitdate>
               </unittitle>
               <physdesc>
                  <extent>Boxes 5-7</extent>
               </physdesc>
            </did>
            <scopecontent>
               <p>
Contains correspondence and some notes regarding Johnson's research work.  Most of the research projects took place during his years at Lockheed, but some of the files contain earlier and later notes and correspondence.  Some later files pertain to his work as a lecturer at Stanford University and his participation in the American Astronomical Society's Visiting Professor Program.</p>
            </scopecontent>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">10</container>
                  <unittitle>Cerro-Tololo <unitdate era="ce" calendar="gregorian">1984-1969</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">11</container>
                  <unittitle>Eastman Kodak <unitdate era="ce" calendar="gregorian">1969-1961</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">12</container>
                  <unittitle>Edinburgh GALAXY Machine <unitdate era="ce" calendar="gregorian">1976-1968</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">13</container>
                  <unittitle>Far Infrared Characteristics of K Dwarfs with H-Alpha Emission <unitdate era="ce" calendar="gregorian">1985</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">14</container>
                  <unittitle>Galactic X-Ray Statistics and Cluster Sources <unitdate era="ce" calendar="gregorian">1975-1965</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">15</container>
                  <unittitle>Haystock Observatory <unitdate era="ce" calendar="gregorian">1975-1970</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 5</container>
                  <container type="folder">16</container>
                  <unittitle>HEAO-B Stars <unitdate era="ce" calendar="gregorian">1980-1978</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">1</container>
                  <unittitle>IRAS/DRACO <unitdate era="ce" calendar="gregorian">1986-1985</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">2</container>
                  <unittitle>Jones-Chappell Clusters <unitdate era="ce" calendar="gregorian">1985-1981</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">3</container>
                  <unittitle>Kitt Peak National Observatory <unitdate era="ce" calendar="gregorian">1980-1975</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">4</container>
                  <unittitle>Kitt Peak National Observatory <unitdate era="ce" calendar="gregorian">1975-1963</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">5</container>
                  <unittitle>Lx ≥ 10<emph render="super">29</emph> (Origins and Ages) <unitdate era="ce" calendar="gregorian">1983-1982</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">6</container>
                  <unittitle>Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) <unitdate era="ce" calendar="gregorian">1973-1959</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">7</container>
                  <unittitle>M31 Spiral Dust Arms and IAU No. 52 <unitdate era="ce" calendar="gregorian">1982-1972</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">8</container>
                  <unittitle>M31 Spiral Dust Arms and IAU No. 52 Photographs</unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">9</container>
                  <unittitle>M82 and NGC 4449 <unitdate era="ce" calendar="gregorian">1975-1963</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">10</container>
                  <unittitle>Mediterranean, Chinese, and Moslem Astronomy <unitdate era="ce" calendar="gregorian">1960-1959</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">11</container>
                  <unittitle>NGC 5128 (Centaurus A) <unitdate era="ce" calendar="gregorian">1978-1962</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">12</container>
                  <unittitle>NGC 6888 and NGC 2359 <unitdate era="ce" calendar="gregorian">1965-1963</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 6</container>
                  <container type="folder">13</container>
                  <unittitle>NSF Proposal <unitdate era="ce" calendar="gregorian">1980</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">1</container>
                  <unittitle>Palomar Observatory (Hale) <unitdate era="ce" calendar="gregorian">1973-1966</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">2</container>
                  <unittitle>Palomar Observatory (Hale) <unitdate era="ce" calendar="gregorian">1965-1961</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">3</container>
                  <unittitle>Publication- "Optical Survey of IRAS Fields in the DRACO Cloud Region" <unitdate era="ce" calendar="gregorian">1986-1985</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">4</container>
                  <unittitle>Rome IAU Symposium <unitdate era="ce" calendar="gregorian">1970-1968</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">5</container>
                  <unittitle>Strömgren Symposium <unitdate era="ce" calendar="gregorian">1978-1977</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">6</container>
                  <unittitle>Peter Sturrock and Stanford <unitdate era="ce" calendar="gregorian">1989-1965</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">7</container>
                  <unittitle>U.K. Schmidt Telescope Unit <unitdate era="ce" calendar="gregorian">1986-1977</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">8</container>
                  <unittitle>Van Biesbroeck <unitdate era="ce" calendar="gregorian">1972</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">9</container>
                  <unittitle>Visiting AAS Professor Program <unitdate era="ce" calendar="gregorian">1999-1969</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">10</container>
                  <unittitle>Visiting AAS Professor Program <unitdate era="ce" calendar="gregorian">1968-1960</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">11</container>
                  <unittitle>VLA/AJ2 - Planetary Nebulae <unitdate era="ce" calendar="gregorian">1984-1977</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">12</container>
                  <unittitle>Wolf 630/EXOSAT <unitdate era="ce" calendar="gregorian">1987-1986</unitdate>
                  </unittitle>
               </did>
            </c02>
         </c01>
         <c01 level="series">
            <did>
               <unittitle>Series III.  Johnson-Stephenson Correspondence, <unitdate type="inclusive" era="ce" calendar="gregorian">1999-1949</unitdate>
               </unittitle>
               <physdesc>
                  <extent>Boxes 7-8</extent>
               </physdesc>
            </did>
            <scopecontent>
               <p>
Contains extensive correspondence between Bruce Stephenson and Johnson. Johnson's correspondence files were supplemented by Stephenson's records, which he gave to Johnson in 1994.  Much of the correspondence relates to the men's research, their collaborations, and their personal relationship.</p>
            </scopecontent>
            <c02 level="file">
               <did>
                  <container type="box">Box 7</container>
                  <container type="folder">13</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1997-1976</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">1</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1974-1968</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">2</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1967-Nov. 1966</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">3</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">Oct. 1966-Jan. 1966</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">4</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1965-1951</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">5</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1950-1949</unitdate>
                  </unittitle>
               </did>
            </c02>
         </c01>
         <c01 level="series">
            <did>
               <unittitle>Series IV.  IAU Tapes Correspondence, <unitdate type="inclusive" era="ce" calendar="gregorian">1966-1967)</unitdate>
               </unittitle>
               <physdesc>
                  <extent>1 folder</extent>
               </physdesc>
            </did>
            <scopecontent>
               <p>Correspondence about the creation, set up, and administration of the Joint Discussion on X-Ray Astronomy at the Prague meeting of the International Astronomical Union in 1967.</p>
            </scopecontent>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">6</container>
                  <unittitle>Correspondence <unitdate era="ce" calendar="gregorian">1966-1967</unitdate>
                  </unittitle>
               </did>
            </c02>
         </c01>
         <c01 level="series">
            <did>
               <unittitle>Series V.  Notebooks, <unitdate type="inclusive" era="ce" calendar="gregorian">1950-1954</unitdate>
               </unittitle>
               <physdesc>
                  <extent>Box 8</extent>
               </physdesc>
            </did>
            <scopecontent>
               <p>Course notes at University of Chicago: Astr. 301 by Chandrasekhar, Astr. 371 Stellar Spectroscopy by Bidelman, Astr. 377 Stellar Atmospheres II by Strömgren, Astr. 385 Celestial Mechanics by Kuiper, Astr. 386 Interstellar Problems by Strömgren.  Also contains notes from Yerkes Observatory Colloquia No. 405-540; from the Hamburg IAU meetings of 1964; and from an NSF conference for teachers of astronomy at Berkeley in 1954.</p>
            </scopecontent>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">7</container>
                  <unittitle>Book 6 <unitdate era="ce" calendar="gregorian">1950-1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">8</container>
                  <unittitle>Book 10 <unitdate era="ce" calendar="gregorian">1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">9</container>
                  <unittitle>Book 11 <unitdate era="ce" calendar="gregorian">1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">10</container>
                  <unittitle>Book 12 <unitdate era="ce" calendar="gregorian">1952</unitdate>
                  </unittitle>
               </did>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 8</container>
                  <container type="folder">11</container>
                  <unittitle>Book 15 <unitdate era="ce" calendar="gregorian">1952-1954</unitdate>
                  </unittitle>
               </did>
            </c02>
         </c01>
         <c01 level="series">
            <did>
               <unittitle>Series VI.  Referee Reports, <unitdate type="inclusive" era="ce" calendar="gregorian">1989-1967</unitdate>
               </unittitle>
               <physdesc>
                  <extent>Boxes 7-8</extent>
               </physdesc>
            </did>
            <accessrestrict altrender="bold">
               <p>Restricted until 2075.</p>
            </accessrestrict>
            <scopecontent>
               <p>Referee reports on journal articles, funding proposals, and assessments of professional personnel for promotions and society memberships.  The reports were made for <title xlink:type="simple" render="italic" xlink:href="">The Astrophysical Journal</title>, <title xlink:type="simple" render="italic" xlink:href="">Revista Mexicana de Astronomia y Astrofisica</title>, <title xlink:type="simple" render="italic" xlink:href="">Nature</title>, the National Science Foundation, NASA, <title xlink:type="simple" render="italic" xlink:href="">The Astronomical Journal</title>, Cornell, <title xlink:type="simple" render="italic" xlink:href="">The Geophysical Journal</title>, the American Geophysical Union, <title xlink:type="simple" render="italic" xlink:href="">Astronomy and Astrophysics</title>, the University of Illinois, and Research Corporation. </p>
            </scopecontent>
            <accessrestrict altrender="underline">
               <p>The permission of Hugh Johnson or his heirs is required for access to the Referee Reports until 2075.</p>
            </accessrestrict>
            <c02 level="file">
               <did>
                  <container type="box">Box 9</container>
                  <container type="folder">1</container>
                  <unittitle>Referee Reports <unitdate era="ce" calendar="gregorian">1989-1983</unitdate>
                  </unittitle>
               </did>
               <accessrestrict altrender="bold">
                  <p>RESTRICTED</p>
               </accessrestrict>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 9</container>
                  <container type="folder">2</container>
                  <unittitle>Referee Reports <unitdate era="ce" calendar="gregorian">1982-1981</unitdate>
                  </unittitle>
               </did>
               <accessrestrict altrender="bold">
                  <p>RESTRICTED</p>
               </accessrestrict>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 9</container>
                  <container type="folder">3</container>
                  <unittitle>Referee Reports <unitdate era="ce" calendar="gregorian">1980-1978</unitdate>
                  </unittitle>
               </did>
               <accessrestrict altrender="bold">
                  <p>RESTRICTED</p>
               </accessrestrict>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 9</container>
                  <container type="folder">4</container>
                  <unittitle>Referee Reports <unitdate era="ce" calendar="gregorian">1977-1974</unitdate>
                  </unittitle>
               </did>
               <accessrestrict altrender="bold">
                  <p>RESTRICTED</p>
               </accessrestrict>
            </c02>
            <c02 level="file">
               <did>
                  <container type="box">Box 9</container>
                  <container type="folder">5</container>
                  <unittitle>Referee Reports <unitdate era="ce" calendar="gregorian">1973-1967</unitdate>
                  </unittitle>
               </did>
               <accessrestrict altrender="bold">
                  <p>RESTRICTED</p>
               </accessrestrict>
            </c02>
         </c01>
      </dsc>
   </archdesc>
</ead>