Mel Stuart (born Stuart Solomon; September 2, 1928 – August 9, 2012) was an American film director and producer who often worked with producer David L. Wolper, at whose production firm he worked for 17 years, before going freelance. Stuart directed the fantasy-musical Willy Wonka & the Chocolate Factory (1971). He has directed other features, including If It's Tuesday, This Must Be Belgium (1969), One Is a Lonely Number (1974) and Running on the Sun: The Badwater 135 (2000). Stuart also directed feature documentaries including Four Days in N…