[3] He was a member of the merchant navy for two years before undertaking a naval architecture course while financing his studies by working in a shipyard.
[4] During World War II, he joined the Norwegian resistance movement and was trained as a saboteur in the United Kingdom.
He was captured on a mission and spent some time in a German prison camp.
[2] Linge was an engineer from 1949 to 1956 in Westermoen Båtbyggeri og Mek Verksted, and was responsible for the design of the Tjeld class patrol boat.
[6] [1] In 1998 he was made a Knight 1st Class in the Royal Norwegian Order of St Olav.