3/19/1929 - 6/3/2003. Legendary recording engineer best known for his work at Chess Studios. Began his career at Universal Recording Studio in 1955, where he recorded Chuck Berry's first sessions; moved to Chess Studios in 1958 and then worked at United Recording Studios in Hollywood from 1960 - 1966 before returning to Chess as Chief Engineer until that label's demise in 1973, after which he retired to teach courses in recording, electronics, and acoustics at Columbia College.