Notable Cases of Dissociative Identity Disorder (DID): Sybil Dorsett & Billy Milligan

1. Sybil Dorsette: Sybil Dorsette is one of the most well-known cases of multiple personality disorder (MPD). She was diagnosed with MPD in the 1950s and was the subject of a book and a television movie. Dorsette had a total of 16 different personalities, each with its own unique characteristics and memories.

2. Billy Milligan: Billy Milligan is another famous case of MPD. He was diagnosed with MPD in the 1970s and was the subject of a book and a movie. Milligan had a total of 24 different personalities, each with its own unique characteristics and memories.

3. Truddi Chase: Truddi Chase is a woman who was diagnosed with MPD in the 1980s. She has a total of nine different personalities, each with its own unique characteristics and memories. Chase has written several books about her experience with MPD.

4. Christine Sizemore: Christine Sizemore is a woman who was diagnosed with MPD in the 1990s. She has a total of 22 different personalities, each with its own unique characteristics and memories. Sizemore has written a book about her experience with MPD.