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Sigmund Freud (1856-1939)
Freud developed and taught psychoanalysis, which is a form of psychotherapy. During the time when he wrote his famous papers on anxiety neurosis, Sigmund Freud suffered from Panic Disorder. He had symptoms of an Anxiety Disorder and was concerned about his anxiety spells.
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Sir Isaac Newton (1642-1727)
He is a renown physicist and mathematician and genius, known for such achievements as discovering the law of physics, law of gravity and co-inventing calculus. He had a nervous breakdown in 1677, and again in 1693. He underwent a period of severe emotional disturbances including loss of appetite, loss of concentration and extreme sensitivity.



