Beichmann graduated as military officer from the
Norwegian Military Academy in 1907. He studied
electrical engineering at the
Technische Universität Darmstadt (1908–1908), and graduated from the
Norwegian Military College in 1911. Beichmann was a resistance pioneer during the
German occupation of Norway. In 1941 he was in command of local so-called "fighting groups", which eventually developed to become part of the resistance organization
Milorg. He had to flee from Norway in the autumn of 1941, and eventually reached London. From 1942 to 1945 he served as head of the Norwegian in London, with the rank of major general. ==References==