Early life in Illinois; B.S. from Purdue University under Karl Lark-Horovitz, 1929-1933. Visit to Technische Hochschule in Karlsruhe. Theoretical and experimental work and teaching at Harvard University, 1934-1941, under Emory L. Chaffee, Kenneth T. Bainbridge, John Van Vleck. World War II research on radar at MIT Radiation Laboratory, 1941-1946. Return to Harvard; teaching, nuclear magnetic resonance and 21-cm line research. Discusses government consulting work, 1950-1970, especially President's Science Advisory Committee, American Physical Society presidency; teaching at Harvard. Interests in astrophysics, developing physics curricula. Also prominently mentioned are: Kenneth Tompkins Bainbridge, Felix Bloch, Bobby Cutler, Robert Henry Dicke, Edwards, Dwight D. Eisenhower, Harold Ewen, Ferry, William Francis Giauque, William Webster Hansen, Malcolm Hebb, Ted Hunt, Lyndon B. Johnson, Fritz Leonhart, Dunlap McNair, Otto Oldenburg, Jan Hendrik Oort, Wolfgang Pauli, Robert V. Pound, Isidor Isaac Rabi, Norman Foster Ramsey, Franklin D. Roosevelt, Schnabel, Julian R. Schwinger, Francis Eugene Simon, Charles Steinmetz, Henry Torrey, Hendrik Christoffell van de Hulst, John Von Neumann, Isidor Walerstein, Walter Witzel, Hubert J. Yearian, Jerrold Reinach Zacharias; Bell System Technical Journal, Great Britain Royal Air Force Coastal Command, Radio Research Laboratory, Illinois Southeastern Telephone Co., Killian Committee, Lawrence Radiation Laboratory, National Academy of Sciences, Rijksuniversiteit te Leiden, Unitarian Church, United States Office of Naval Research, University of California at Berkeley, and Voice of America.