Animator who won a 1989 Academy Award for his work on the live action/animation hybrid film "Who Framed Roger Rabbit." "The Thief and the Cobbler" became his unfinished masterpiece.
He made his animation debut with the 1958 short film "The Little Island," which won the 1958 BAFTA Award for Animated Film.
He worked on the television film "Ziggy's Gift" from 1982 that won an Emmy, as well as on an animated version of "A Christmas Carol" from 1971.
He married and divorced Margaret French and later wed Imogen Sutton.
He and voice actor Christopher Lloyd both worked on "Who Framed Roger Rabbit," winning great acclaim for their contributions.