Fred Lange-Nielsen
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Fred Lange-Nielsen (28 September 1919 – 28 December 1989) was a Norwegian doctor and jazz musician (bass, vocals), 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 (JLNS) in 1953.[1][2][3]
He played in String Swing (1937–1941), the quartet Hot Dogs, in Rowland Greenberg's orchestra (1941),[4] the Oslo Swing Club's orchestra, the studio group Seven Cheerful and with Cecil Aagaard's "Swingsters" and quintet Sew-We-La (1950–1953).