Fred Lange-Nielsen
Fred Lange-Nielsen was a Norwegian doctor and jazz musician, known in the early Oslo music scene, and from several recordings.
Lange-Nielsen and Anton Jervell were the first to describe Jervell and Lange-Nielsen syndrome in 1953.
He played in String Swing, the quartet Hot Dogs, in Rowland Greenberg's orchestra, the Oslo Swing Club's orchestra, the studio group Seven Cheerful and with Cecil Aagaard's "Swingsters" and quintet Sew-We-La.