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Cornelia B. Wilbur

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Through Americans, Dissociative identity disorder and Master's degree

Early life and education

Cornelia "Connie" Wilbur was born in Cleveland, Ohio, on August 26, 1908. While she was an infant, her family moved to a ranch in Montana. The family returned to Cleveland in 1918. She was educated in the public schools in Montana and Cleveland.

She attended William Smith College in Geneva, New York, before enrolling at the University of Michigan in Ann Arbor, Michigan. She received her bachelor's degree and master's degree from the University of Michigan. She then enrolled at the University of Michigan Medical School. While in medical school, she became the first female extern at Kalamazoo State Hospital, where she also successfully treated an agoraphobic girl diagnosed with hysteria. Wilbur graduated with an M.D. in 1939. She was one of eight women in her graduating class.

Wilbur practiced psychiatry in Omaha, Nebraska; New York City; and Weston, West Virginia.

Wilbur is best known for her work with Shirley Ardell Mason, who was purported to have been severely abused as a child, and who developed 16 alternate personalities as a result. A book, written by Flora Rheta Schreiber, and a television film, both titled Sybil, were ostensibly non-fiction accounts of the psychiatric treatment received by Mason while in Wilbur's care. She diagnosed and treated Mason for dissociative identity disorder (then referred to as Multiple Personality Disorder) for 11 years, beginning in 1954.

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