Background
He was born as the second son of Alf Rønneberg from Ålesund and Anna Krag Sandberg.
He was born as the second son of Alf Rønneberg from Ålesund and Anna Krag Sandberg.
He was a grandnephew of Anton Johan Rønneberg. He was an agent with British commando training. In 1983 he published the memoirs Fra 9.april 1940 til 7.mai 1945.
In 1995 he contributed to the anthology Vi valgte det vi ikke kjente.
In 1953 Erling Rønneberg moved to Ski. He became chief administrative officer (rådmann) there in 1963, and was also mayor from 1958.
He retired in 1990.
During the German occupation of Norway (1940–1945) Erling Rønneberg was a member of the Norwegian resistance movement.