In 1954, psychiatrists Corbett H. Thigpen and Hervey M. Cleckly published “a case of multiple personality”, by writing the book “The Three Faces of Eve” in 1957 from their point of view as the patient’s psychiatrists. Also in 1957, a movie adaptation of this book, also called “The Three Faces of Eve” was released. The subject of the case study, book, and movie was Chris Costner Sizemore, whose identity was not publicly known at the time. Sizemore’s identity was revealed in 1975. She wrote her autobiography: “I’m Eve” in 1977, followed by several other books about her recovery from DID (History of Dissociative Identity Disorder). Thigpen suspected that Sizemore developed the disorder after seeing an accidental death. She believed that her alter-egos
