Scottish director of classic 1950s films, including The Man in the White Suit and The Ladykillers.
He was born in the U.S. but grew up in his native Scotland where he studied at the Glasgow School of Art.
His feature debut, the 1949 film Whisky Galore, was set in Scotland.
He was the cousin of screenwriter Roger MacDougall.
He cast Alec Guinness in the lead role for The Ladykillers.