LONDON, June 5: British-born animator and producer John David Wilson, famed for the “Grease” and “Lady and the Tramp” films, has died at the age of 93, his wife told Reuters on Wednesday. The World War Two veteran animated the opening sequence for the 1978 high school musical film “Grease” that starred John Travolta, and in a long career at Disney worked on much-loved characters Mickey Mouse, Goofy and Donald Duck. (AGENCIES)