Cinematographer known for his work on influential movies like Jaws, The Conversation, and three Rocky films.
He was educated at the University of Iowa and made his debut as cinematographer on the TV documentary The Bold Men.
He completed production on 1975's One Flew Over the Cuckoo's Nest after the original cinematographer, Haskell Wexler, was fired from the movie.
He married his wife Iris in 1984.
He was the cinematographer on the classic 1974 film The Conversation, starring Gene Hackman.