Possible Clues:

• ''The Name Above the Title'' autobiographer
• Three-time Best Director in the 1930s
• Filmmaker Frank
• "Lost Horizon" director
• 'State of the Union' director, 1948
• 'Prelude to War' documentarian, 1943
• Frank film director's salute to origins of realistic acting
• Frank —, US film director
• Frank director who discovered it’s a wonderful life, but you can’t take it with you
• Better artist, film director