List of Famous people who died at 93

Georges Heuyer was a physician and child psychiatrist in France, who was appointed to the first chair of child psychiatry in Europe.

Georges Mesmin was a French politician who served as member of the National Assembly and mayor of the 16th arrondissement of Paris.

Richard V. Kadison was an American mathematician known for his contributions to the study of operator algebras.

Albert Ellis was an American psychologist and psychotherapist who founded Rational Emotive Behavior Therapy (REBT). He held MA and PhD degrees in clinical psychology from Columbia University, and was certified by the American Board of Professional Psychology (ABPP). He also founded, and was the President of, the New York City-based Albert Ellis Institute. He is generally considered to be one of the originators of the cognitive revolutionary paradigm shift in psychotherapy and an early proponent and developer of cognitive-behavioral therapies.