Alfred Christensen

Alfred Christensen was a Danish sprint canoeist who competed in the late 1940s. He won a silver medal in the K-2 500 m event at the 1948 [ICF Canoe Sprint World Championships] in London.
Christensen competed at the 1948 Summer Olympics, also held in London, finishing fourth in the Canoeing at the [1948 Summer Olympics – Men's K-2 10000 metres|K-2 10000 m] event.
Note that the K-2 500 m event did not become an official event at the Summer Olympics until the 1976 Games in Montreal. The event has been on the Olympic program since then.