 Billed as "The World's Greatest Disc Jockey," Sherwood spent most of his career hosting a 6-9 a.m. weekday program on KSFO in San Francisco (560 kHz, 5000 watts), which was then owned by the singing cowboy actor Gene Autry.Born Daniel Sherwood Cohelan in San Francisco, Sherwood served briefly in the Canadian Armoured Corps (lying about his real age — 16), then enrolled in a radio class at Samuel Gompers School.He then joined the Merchant Marine.