William J. Mann is a New York Times bestselling author of The Contender: The Story of Marlon Brando, for which he was granted access to Brando’s private estate archive, as well as Kate: The Woman Who Was Hepburn (named a Notable Book of the Year by the Times); Hello Gorgeous: Becoming Barbra Streisand (praised by USA Today for its “meticulous research and insightful analysis”); Edge of Midnight: The Life of John Schlesinger, for which he worked closely with the Oscar-winning director; and The Black Dahlia: Murder, Monsters, and Madness in Midcentury America. His book Tinseltown: Murder, Morphine and Madness at the Dawn of Hollywood won the Edgar Allan Poe Award. Mann is a professor of film and popular culture at Central Connecticut State University.

source: Amazon

Also writes children's books under the pseudonym Geoffrey Huntington.