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Strm̲gren, Bengt, 1908-1987
Oral history interview with Bengt Georg Daniel Strm̲gren, 1976 May 6 and 13.
Family background and early interest in astronomy (Elis Strm̲gren). Undergraduate and graduate studies at University of Copenhagen, late 1920s; studies at Niels Bohr Institute, 1927-1929; thesis work in classical astronomy (orbits of comets). Development of photoelectric photometry and observations; early electronics, 1925; conflicting results in calculations of opacities (Arthur Stanley Eddington, Gaunt, Thomas T. Sugihara, Svein Rosseland, J. R. Oppenheimer, Meghnad N. Saha, R. H. Fowler, E. Arthur Milne, Cecilia Payne-Gaposchkin); assistant at University of Copenhagen, 1929; LaSilla Observatory. To University of Chicago and Yerkes Observatory (Otto Struve), 1936-1939; starts work on formation of H #II regions, 1939; work at Mt. Wilson Observatory on absorption lines (Walter S. Adams, Theodore Dunham); estimates of ages of stars (Hans Bethe); Hubble Constant; comparison of astronomy in Europe and U.S.; European astronomers in U.S. (Gerard Kuiper, Polydore Swings, Carl Osbourne, Ejnar Hertzsprung); comments on history of Yerkes (Struve), teaching at Chicago; discussion of work on equation of ionization and calculations of opacities (Carl von Weizsc̃ker, Struve, S. Chandrasekhar); comments on W. W. Morgan. Discussion of work on stellar evolution, ionization of interstellar hydrogen (Struve). Effects of World War II on astronomy; influence of European astronomers on Americans; Ludwig Biermann; European Southern Observatory; views on radio-astronomy after World War II (Grote Reber). Astronomy in Denmark during war; stellar evolution (Anders Reitz, George Gamow); Strm̲gren becomes director of Copenhagen Observatory; developments in astrophysics during the war; optical studies. Nazi occupation of Niels Bohr Institute (Werner Heisenberg); contacts with German astronomers; development of Brorfelde Observatory. Becomes director of Yerkes and McDonald Observatory (Robert Hutchins), 1950-1957; American astronomy after World War II; relation of scientific community and government (Office of Naval Research); stellar classification work. Institute for Advanced Study, Princeton (Oppenheimer), investigation of intermediate population II and extreme population II, 1957; establishment of Kitt Peak Observatory; return to Denmark, 1967. Also prominently mentioned are: Niels Bohr, Werner Bolton, George Ellery Hale, Jacobus C. Kapteyn, Lev Landau, and Harlow Shapley.
Bengt Georg Daniel Strm̲gren (1908-1987).
Adams, Walter S. (Walter Sydney), 1876-1956.
Bethe, Hans A, (Hans Albrecht), 1906-2005-
Biermann, Ludwig Franz Benedikt
Bohr, Niels, 1885-1962.
Bolton, Werner
Chandrasekhar, S. (Subrahmanyan), 1910-1995-
Dunham, Theodore, 1897-1984.
Eddington, Arthur Stanley, Sir, 1882-1944.
Fowler, R. H. (Ralph Howard), 1889-1944.
Gamow, George, 1904-1968.
Gaunt
Hale, George Ellery, 1868-1938
Heisenberg, Werner, 1901-1976.
Hertzsprung, Ejnar, 1873-1967.
Hutchins, Robert Maynard, 1899-1977
Kapteyn, J. C. (Jacobus Cornelius), 1851-1922.
Kuiper, Gerard P. (Gerard Peter), 1905-1973
Landau, L. D. (Lev Davidovich), 1908-1968.
Milne, Edward Arthur, 1896-1950.
Morgan, W. W. (William Wilson), 1906-1994
Oppenheimer, J. Robert, 1904-1967.
Osbourne, Carl
Payne-Gaposchkin, Cecilia, 1900-1979-
Reber, Grote, 1911-2002.
Reitz, Anders
Rosseland, Svein, 1894-1985
Saha, Meghnad N.
Shapley, Harlow, 1885-1972.
Strm̲gren, Bengt, 1908-1987
Strm̲gren, Svante Elis, 1870-1947
Struve, Otto, 1897-1963.
Sugihara, Thomas T.
Weizsc̃ker, Carl Friedrich, Freiherr von, 1912-2007-
Brorfelde Geomagnetic Observatory
Copenhagen University Observatory
European Southern Observatory.
Institute for Advanced Study (Princeton, N.J.).
Kitt Peak National Observatory.
Kb̜enhavns universitet
LaSilla Observtaory
McDonald Observatory.
Niels Bohr institutet.
Palomar Observatory.
United States. Office of Naval Research.
University of California, Berkeley.
University of Chicago.
Yerkes Observatory.
Absorption spectra.
Astronomy -- Denmark.
Astronomy -- Study and teaching.
Astrophysics
Astrophysics -- History
Comets -- Research.
Hubble constant.
Optics.
Radio astronomy.
Science -- Government policy -- United States.
Stars -- Classification.
Denmark -- History -- German occupation, 1940-1945.
Oral histories. aat
Interviews. aat
Transcripts. aat
Sound recordings lcgft
Astronomers -- United States -- Foreign influences. lcsh
Astronomers -- Germany.
Hoddeson, Lillian, interviewer.
Baym, Gordon interviewer.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA
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