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Life of his father, Karl Schwarzschild; father's scientific relationships in Göttingen (Felix Klein, David Hilbert); move to Potsdam, 1909; relations with Potsdam and Berlin scientists (Albert Einstein, Karl Sommerfeld); father's Jewish background concealed. M. Schwarzschild's youth in Göttingen and Berlin; early education, interest in astronomy and mathematics. Undergraduate at Göttingen Universität (Hans Kienle, Richard Courant, Neugebauer), 1930-1933; graduate work at Gottingen Observatory, 1933-1935; his reaction to Nazism. Introduction to astrophysics (Arthur Eddington), interest in stellar interiors and stellar evolution; contacts with other astronomers from Gottingen Observatory (Otto Heckmann, Kienle, Rupert Wildt); comments on general relativity; interest in pulsating stars; leaves Göttingen, 1936. Postdoctorate at Oslo (Svein Rosseland); Jan Oort, Ejnar Hertzsprung; mechanical analog computer for computations in astrophysics and celestial mechanics; comments on development of theory of stellar interiors, 1939-1950. To Harvard College Observatory (Harlow Shapley), 1938; C. Payne-Gaposchkin, Bart Bok; comparison of European and American observational style, social scene; Barbara Schwarzschild's difficulties as female astronomer; contacts with S. Chandrasekhar and other astronomers. Tour of the United States; visits Mt. Wilson Observatory (Wilhelm Baade, Rudolph Minkowski, Edwin Hubble, Milton Humason), 1940; Shapley's relationship with Mt. Wilson staff. Harvard (Fred Whipple), 1938-1941; Shapley as a leader; astronomy summer school at Harvard; work on Cepheid variables in M3 (Bok, Chandrasekhar); overall impact on Schwarzschild of Harvard period. Columbia University (Jan Schildt, I. I. Rabi), 1940-1942; difficulties there; origin and funding of Thomas Watson Astronomical Computing Center; discussion of cosmology in the late 1930s; contacts with physicists (Enrico Fermi). In U.S. Army, 1941-1945; enters as private, teaches math to recruits; refuses invitation to Los Alamos; transferred to Aberdeen Proving Ground, dissatisfaction there; to officers training school, does bombing analysis for Italian campaign. Work relating to stellar interiors and evolution, 1938-1946; nuclear energy source ideas (Hans Bethe, Fermi); Eddington, Gerard Kuiper, Chandrasekhar, G. Keller; German astronomers during World War II (Ludwig Biermann). Discussion of wife's career and her role in his career. Early ideas about red giants (Öpik, Herman Bondi, Fred Hoyle), 1946-1950. Work on acoustic wave energy transport (R. Richardson, Gold); work on chemical composition differences in stellar populations. To Princeton University (Spitzer, H. N. Russell), 1947; Project Matterhorn (start of bomb and fusion projects); relationship with Russell. Stellar evolution work in the 1950s; computer work (John Von Neumann, Richard Härm), mid-1950s; collaboration with Allan Sandage evolving a stellar model, 1952; computing towards red giants; observational cluster work, 1951; ages, metallicity, and the Big Bang; beginnings of "astrophysical" cosmology. Evolution theory after late 1950s; effect of computers on theoretical progress; relation of evolution theory to cosmology; general comments on his work in stellar evolution; interactions with Robert Dicke; views on cosmology, general relativity. Need for better solar convection work leads to use of balloons (James Van Allen); post-Sputnik funding; on cooperation with industry and engineers; Stratoscope II (Bob Danielson, Spitzer). Years advising the National Science Foundation, President's Science Advisory Committee, 1959-1976, and National Aeronautics and Space Administration (Von Neumann), to 1969; The International Astronomical Union, 1964-1970; American Asronomical Society, 1967-1973. Informal advisor to various observatories: Kitt Peak National Observatory, Mt. Wilson-Palomar Observatories, Carnegie Southern Observatory. Recent work on galactic structure. Reflects on importance of ethical standards; his feelings about religion and nature.
Family background; early interest in mathematics; physics at University of Manchester; Ernest Rutherford's influence; early research under Rutherford at Manchester; examination by Joseph J. Thomson for degree; recollections of associates at Manchester, including Niels Bohr; scholarship to Universität Berlin and work there with Hans Geiger; internment during World War I; scientific work at internment camp; return to Manchester; move with Rutherford to University of Cambridge; appointment as Assistant Director of Research at Cavendish Laboratory (ca. 1923); work with Rutherford on artificial disintegration; Rutherford's idea of the neutron; early experimental search for neutron; duties and experiences at the Cavendish Laboratory from 1919 to 1936; Rutherford's personality; Solvay conference of 1933; reasons for leaving Cambridge for University of Liverpool; initial plans, personnel and activities at Liverpool; cyclotron; award of Nobel Prize; encounter with Joliots, also in Stockholm for Prize in chemistry; influx of refugee theoreticians; work on the meson; changes effected by large machines; recollections of announcement of fission; World War II work; involvement with A-bomb project, Los Alamos Scientific Laboratory and General Leslie Groves; postwar considerations regarding international control of atomic energy; effect of Rutherford's death on Cavendish; return to Cambridge as Master of Gonville and Caius College; circumstances of resignation as Master; appraisal of personal satisfactions. Also prominently mentioned are: H. K. Anderson, John Anderson, Homi Bhabha, Patrick Maynard Stuart Blackett, Niels Henrik David Bohr, Paul Adrien Maurice Dirac, Albert Einstein, Charles D. Ellis, Walter M. Elsasser, Ralph Howard Fowler, Maurice Goldhaber, Otto Hahn, Walter Heitler, J. R. Holt, Ernest Orlando Lawrence, Douglas Lea, Lise Meitner, Stefan Meyer, Henry N. Moseley, Walther Nernst, Giuseppe Occhialini, Mark Oliphant, Maurice H. L. Pryce, Stanley Rolands, Heinrich Rubens, Joseph John Thomson, Merle Antony Tuve, Walke, H. C. Webster, Charles Thomson Rees Wilson; Department of Scientific and Industrial Research of Great Britain, Manchester Literary and Philosophical Society, Ministry of Aircraft Uranium Development Committee (Great Britain), Physikalische-Technische Reichsanstalt, Royal Society (Great Britain), University of Birmingham, University of Cambridge Cavendish Physical Society, and University of Liverpool.