Complex sentence: Dagfinn Hauge was known for his work during World War II, when he was a priest at the prison in Akershus, and had contact with a number of prisoners who were sentenced to death during the Nazi occupation.
Split into simpler sentences: Dagfinn Hauge was known for his work during World War II, when he was assigned at the prison in Akershus. He ministered to a number of prisoners who were sentenced to death during the Nazi occupation.