Strand, K. Aage (Kaj Aage) 1907-2000 creator mixed material monographic eng dan 15,000 items. 16 16 Correspondence, memoranda, speeches, lectures, writings, reports, notes, subject files, oral history, biographical material, printed matter, slides, photographs, and other papers relating to Strand's career as professor of astronomy at Northwestern University, Evanston, Ill.; scientific director of the United States Naval Observatory, Washington, D.C.; and director of the observatory's Astrometry and Astrophysics Division. Subjects include astrometry, astrometric instrumentation design, double star photography, and scientific research for the U.S. military during World War II. Correspondents include Arthur Beer, Bart J. Bok, Dirk Brouwer, William A. Fowler, W. Fricke, H.L. Giclas, Ejnar Hertzsprung, Arthur Allen Hoag, L. Houziaux, Carlos Jaschek, Gerard Peter Kuiper, Jan Hendrik Oort, Bengt Strömgren, Otto Struve, Arthur R. Upgren, Peter Van de Kamp, and the Strand family. Open to research. Astronomer and scientific director of the United States Naval Observatory. Died 2000. Collection material in English and Danish. Finding aid available in the Library of Congress Manuscript Reading Room. Beer, Arthur 1900- Correspondence Bok, Bart J. (Bart Jan) 1906-1983 Correspondence Brouwer, Dirk 1902- Correspondence Fowler, William A Correspondence Fricke, W. (Walter) 1915- Correspondence Giclas, H. L. (Henry L.) Correspondence Hertzsprung, Ejnar 1873-1967 Correspondence Hoag, Arthur Allen 1921-1999 Correspondence Houziaux, L. (Léo) Correspondence Jaschek, Carlos Correspondence Kuiper, Gerard P. (Gerard Peter) 1905-1973 Correspondence Oort, Jan Hendrik Correspondence Strömgren, Bengt 1908-1987 Correspondence Struve, Otto 1897-1963 Correspondence Upgren, Arthur R Correspondence Van de Kamp, Peter 1901- Correspondence Strand family Correspondence Northwestern University (Evanston, Ill.) United States Naval Observatory. Astrometry Astronomical instruments Design and construction Astronomical photography Astronomy Double stars World War, 1939-1945 Science Astronomers mm2008085428 Open to research. DLC 080915 20260227111731.0 mm2008085428