Who directed 'The Life of Emile Zola', the Best Picture winner for 1937?

Who directed 'Mutiny on the Bounty', the Best Picture winner for 1935? Which film won the Academy Award for Best Picture for 1936? Who directed 'The Great Ziegfeld', the Best Picture winner for 1936? Which film won the Academy Award for Best Picture for 1937? Which film won the Academy Award for Best Picture for 1938? Who directed 'You Can't Take It with You', the Best Picture winner for 1938? Which film won the Academy Award for Best Picture for 1940? Who directed 'Rebecca', the Best Picture winner for 1940?