German lawyer who became known for brokering famous spies for exchanges against ransom of political prisoners between the Soviet block and the West.
After World War II, he attended -- and later graduated -- from law school.
He negotiated the exchange of Gunter Guillame in 1981.
He had two children with his first wife, Eva, whom he was married to from 1946 to 1966. He married his second wife, Helga, in 1974.
Both he and the father of Marxism, Karl Marx, were born in Germany.