Extensive, comprehensive interview on Worzel’s scientific and professional career. Recollections of extended family and childhood in New York; father’s interest in science and literature; early interest in mechanical things; recollection of upbringing during the Great Depression; impressions of high school science courses and interests. Attends Lehigh University as undergraduate; impressions of W. Maurice Ewing as physics professor at Lehigh, early l930s, including his working style; emerging interest in photography and experience in drafting; impressions of Alvyn Vine. Detailed recollections of work as student assistant with Ewing and Vine on refraction seismology, and impressions of George P. Woollard, Richard M. Field, William Bowie, and Ewing; election to Newtonian Society [mathematics] at Lehigh; impressions of science teaching at Lehigh. Recollections of research on undersea acoustics at Woods Hole Oceanographic Institution and Ewing’s mathematical abilities; impressions of Felix A. Vening-Meinesz and of field research. Extended recollections of summer research as undergraduate assistant for Ewing, especially involving seismic profiling and underwater photography; relation between Ewing and L. Don Leet; recollections of Hurricane of 1938 at Woods Hole and of Woods Hole machining equipment; involvement in wartime research, including acoustics studies and experience with bathythermographs; experience in equipment design and modification, including award of patents. Extended recollections of involvement in undersea photography in the early 1940s, including reaction of biologists and war-time acquisition of German cameras; impressions of Ewing’s appointment at Columbia University, and transfer of research program to Columbia, 1946; recollections of post-war research programs at Woods Hole; meets wife [Dorothy Crary]. Impressions of graduate courses in geology and geophysics at Columbia, including seminars taught by Walter Bucher, Marshall Kay, and Ewing; extended recollections of instructors and experiences with fellow graduate students; reflections on instrument-building in geophysics, including maintenance of ship-based winches; impressions of Ewing as researcher and director, including relations with governmental and private patrons; becomes temporary consultant to ONR. Recollections of Angelo Ludas and his role in fashioning geophysical instruments; experience with deep-sea coring; impressions of relations between geophysicists and geologists at Columbia. Impressions of the founding and initial research programs of Lamont Geological Observatory [LGO], including geochemical and radiocarbon studies by J. Laurence Kulp and reactions of local townspeople to Lamont; development of biology programs at Lamont, and social life at LGO; relations between Ewing and Harry H. Hess; recollections of interactions with Maurice Ewing and John Ewing, and difficulties of position determination at sea. Begins gravity research of ocean floor, and impressions of isostacy debate in 1930s. Growth of LGO in the 1950s and changing relations between research groups; comparison of LGO with competing research centers in the U.S. and Great Britain; development of SOFAR and SOSUS programs; recollections of efforts to secure and finance R/V Vema ddd details from subsequent sessions; offers of positions from other universities; Recollections of gravity research program at Texas, mid-1970s. Also mentioned are: Henry Moe Aldrich, American Geophysical Union, RJV Atlantis, Austin Bailey, Walter Beckmann, Charles C. Bidwell, Henry Bigelow, Francis Birch, Rene Brilliant, Percy Bridgman, Sir Edward C. Bullard, Paul R. Burckholder, California Institute of Technology, Carnegie Institution of Washington, Albert Crary, Merrill D. Cunningham, Reginald A. Daly, William Donn, Dwight D. Eisenhower, David B. Ericson, Margaret Ewing [née Kidder], W. Arnold Finck, Geological Society of America, Gordon Hamilton, Hamilton watches, Carl A. Heiland, Weikko Aleksanteri Heiskanen, Maurice Hill, Columbus Iselin, Paul Kerr, Borje Kullenberg, Thomas W. Lamont, Gordon Lill, Massachusetts Institute of Technology, Arthur Maxwell, Benjamin L. Miller, Robert Moses, Walter H. Munk, National Science Foundation, Louis L. Nettleton, Office of Naval Research, Chaim Pekeris, Beauregard Perkins, Hans Pettersson, Charles S. Piggot, Lawrence I. Radway, Ostwald Roels, Scripps Institution of Oceanography, Robert R. Shrock, Lynn Shurbet, Louis B. Slichter, Staten Island Academy [High School], Harlan True Stetson, Henry Stetson, Nelson Steenland, Swedish Deep Sea Expedition, Howard A. Tate, Merle Tuve, J. Tuzo Wilson, Goesta Wollin.