Playwright, Motion Picture Screenwriter. His film credits include "The Clash of the Titans," "Sinbad and the Eye of the Tiger," "Bill of Mortality," "March on Boys," "Six Wives of Henry VIII," "Genghis Khan," "The Long Ships," and "Jason and the Argonauts." He was nominated to two Tony Awards in 1965 for "Half a Sixpence" as Best Author of a Musical and Best Musical. It was released in 1967 as a film. He was married to actress, Dame Maggie Smith since August 23, 1975 until his death. His cause of death was a series of aneurysms.