Olaf Holtedahl
…Olaf Holtedahl (24 June 1885 – 26 August 1975) was a Norwegian geologist (Dr.philos., 1913). He became a senior lecturer at the University of Oslo in 1914, and was Professor of Geology there from 1920 to 1956. Olaf Holtedahl was born in Kristiania (modern-day Oslo), Norway, the son of Arne H…