The collection consists of correspondence, memoranda and other papers of meteorologist Jorgen Holmboe. Collection includes material documenting his work as an assistant to Vilhelm Bjerknes in Bergen, Norway, his participation as meteorologist on the Lincoln Ellsworth Antarctic Expeditions of 1934-1936, his work as a member of the faculty at MIT, 1936-1940, and his work as a faculty member at the University of California, Los Angeles beginning in 1940. The accession also documents the Holmboe Family in Norway and the United States. The collection consists largely of letters exchanged by Holmboe with his wife, Kirsten Bendixen Holmboe. Most of these are in Norwegian. The accession includes a few letters exchanged with his Bergen colleagues including Tor Bergeron, Theodor Hesselberg, Sverre Pettersson, and Harald Sverdrup. Letters from Lincoln Ellsworth, F. Spiess and Sir George Hubert Wilkins refer to the Lincoln Ellsworth Antarctic Expedition. Letters exchanged with meteorologists in Wellington, New Zealand, including M.A.F. Barnett and Edward Kidson, discuss Holmboes visit there during the Lincoln Ellsworth Antarctic Expedition and plans for visits by New Zealand meteorologists to Polar Front group at Bergen. The accession includes only a few items documenting Holmboes career at UCLA.