Mel Brooks, pictured during filming of “History of the World: Part I,” put Lacy off when she first asked about participating in a biography. Fifteen years later, “Mel Brooks: Make a Noise” debuts on American Masters May 20. Johnny Carson, below, wouldn’t consent to be featured, but a posthumous film on his life aired last year. (Photos: Pamela Barkentin Blackburn and Carson Entertainment Group)

The Tonight Show Starring Johnny Carson (1962 – 1992 NBC) c. 1970’s

Shown: Johnny Carson