The story of the most famous man you never heard of - producer Michael White. Imagine presents Gracie Otto's film The Last Impresario and the story of the most famous man you have never heard of - Michael White. White's career as a theatre and film producer has spanned over 50 years. The British producer paved the way for internationally acclaimed stage hits including A Chorus Line, Sleuth and The Rocky Horror Show. He has produced over 300 shows, often against the odds and at great personal cost. His gregarious personality and philanthropic largesse have endeared him to some of the world's most celebrated stars. Otto's film looks back on White's halcyon days in show business as he starts to sell off his cherished collection of personal photographs and papers.