"Sybil Dorsett" became synonomous with multiple personality during the 1970s after the bestselling novel and TV movie about a woman with 16 personalities.

Actually based apon the reports of 11 years of psychoanalysis of a woman named Shirley Ardell Mason. Mason was a long-term patient of Dr.Cornelia Wilbur who supplied author Flora Rheta Schreiber with historical and scientific data for the basis of the "Sybil" character.