Svein Rosseland (March 31, 1894, in Kvam, Hardanger – January 19, 1985, in Bærum) was a Norway astrophysicist and a pioneer in the field of theoretical astrophysics. Svein Rosseland (Truls Ringnes. Store norske leksikon)
In 1927, Rosseland earned a PhD. from the University of Oslo. As a professor at the University of Oslo from 1928 to 1964, he built up and headed academics at the Institute of Theoretical Astrophysics ( Institutt for Teoretisk Astrofysikk). Rosseland was a key participant when the University of Oslo built the Institute of Theoretical Astrophysics in 1934, using funding from the Rockefeller Foundation. Between 1929-30 he was a guest professor at the Harvard College Observatory. In 1934 he founded the journal Astrophysics Norvegica, published by the Norwegian Academy of Science and Letters. In 1936 he published his textbook Theoretical Astrophysics, which contained numerous original contributions. Rosseland was instrumental in the effort behind the building of the Oslo Analyzer, finished in 1938 and for four years the world's most powerful differential analyzer. Svein Rosseland and the Oslo Analyzer (IEEE Annals of the History of Computing archive. Volume 18, Issue 4. December 1996) Institute of Theoretical Astrophysics (Norwegian Astronomical Society)
With the German occupation of Norway in World War II, he fled the country and went to the United States, where he was appointed a professor at Princeton University. In 1943 he went to London to work with the development of radar by the British Air Defense Ministry and later at the Admiralty, where he worked on underwater explosions. He was also a consultant for the U.S. Time Corporation, a company that later evolved into the Norwegian-owned company Timex Group USA. In the war's final years, he worked on military research at Columbia University. Svein Rosseland (Øivind Hauge. Store norske leksikon)
Rosseland returned to Norway in 1946. In the postwar period he was involved in the development of the Norwegian research policy and was among those involved in the creation of the Institute for Energy Technology which was established in 1948 and Norwegian Academy of Technological Sciences which was founded during 1955. He was also the driving force behind the creation of Harestua Solar Observatory located at Gunnarshaugen in Oppland, which was inaugurated in 1954. Svein Rosseland, 31 March 1894 - 19 January 1985 (Q. J. R. Astron. Soc., Vol. 27, No. 3, p. 512-514. 1986)
Rosseland was Norwegian delegate to the CERN in the early days of the organization.
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