Veteran animator Ron Canpbell has been involved in some of the most iconic cartoons of the past several decades, including “The Smurfs” and “Scooby-Doo,” pictured at top. He and late colleague Duane Crowther created sequences for the classic 1968 Beatles film “Yellow Submarine” (middle). Campbell also worked on the popular ‘60s cartoon “The Jetsons” (left). 4p2.jpg