He was born in Norway to German parents. He co-founded of the company
De-No-Fa in 1912, and was elected to the first board of directors. He joined the Fascist party
Nasjonal Samling in 1933, but was not an active member until the
occupation of Norway by Nazi Germany from 1940. The German occupation ended on
8 May 1945, and Hildisch lost all his positions. He escaped conviction during the
legal purge in Norway after World War II because of his high age (78 at the war's end). He died in 1949. == References ==