American record producer and recording engineer who scored a string of hits in the 1960s and 1970s, often of the sunshine pop genre, starting in 1965 with The Turtles cover of Bob Dylan's "It Ain't Me Babe," and continuing with most of the hits of the 5th Dimension and the Association. With the exception of Closing Time, he produced and engineered all of Tom Waits' releases with Asylum Records, some of which are considered among the artist's best recordings. Started a career in 1956 as an apprentice recording engineer at Radio Recorders and advancing to mixing engineer the following year, recording Elvis Presley and Jerry Lee Lewis.