Olin J. Eggen
Olin Eggen Jeuck ( born July 9, 1919 in Wisconsin; † October 2, 1998 in Canberra ) was an American astronomer.
Eggen was one of the best observational astronomers of his time. In 1962 he published jointly with Donald Lynden - Bell and Allan Sandage, the thesis that the Milky Way was formed from a gas cloud. This theory is now known as ELS model ( Eggen - Lynden - Bell - Sandage ). He suggested first that move stars in groups. In 1985, he was honored for his life's work with the Henry Norris Russell Lectureship.
A somewhat less glorious role played harrows in the historical investigation of the Neptune discovery. The planet was known to be discovered by Galle to a prediction by Urbain Leverrier his position, although English astronomers - James Challis and George Biddell Airy - were looking for him after John Couch Adams had made a prediction. Airy had a lot of material about the British activities in a ' Neptune Act ' compiled, but these kept in Greenwich file was untraceable since the late 1960s. After harrowing death was found in the drawers of his desk in Chile 105 kg Archival, among other things, also the lost (according to another reading " borrowed " ) Neptune Act.
From 1966 to 1977 Eggen led the Mount Stromlo Observatory in Australia.