Willoughby said he made himself seem invisible by blending in with the movie crew, once he realized they were invisible to the actors. His favorite muse was Audrey Hepburn, but Willoughby shot several iconic photos of Hollywood’s other elite, such as this one of Marilyn Monroe in 1960 on the set of “Let’s Make Love.” (© The Bob Willoughby Photo Archive)
© The Bob Willoughby Photo Archive