There is an opinion that all creative persons are a bit "not of this world". Reading genius works, you understand that a person was in an abnormal state when he wrote this. Of course, indiscriminately speaking about all gifted people categorically impossible. But there are also real cases of mental illness of famous writers. If you are interested, we will talk about some of them. - American writer and poet Edgar Allan Poe (1809-1849). The diagnosis is mental distress. Symptoms - fear of darkness, failures in memory, persecution mania, inadequate behavior, hallucinations. His works, written in the peak stage of the disease - "Heart-accuser", "The Fall of the House of Escher", "Murder in the Street Morgue," "The Secret of Marie Roger." - German philosopher Friedrich Wilhelm Nietzsche (1844-1900). The diagnosis is nuclear mosaic schizophrenia, or obsession. Symptoms are megalomania, mental obscuration, severe headaches, inadequate behavior. His ideas - the idea of ??a superman, the idea of ??a new morality, the ideology of fascism. At the end of life, the philosopher had difficulty composing the simplest phrases. - American writer Ernest Miller Hemingway (1899-1961). The diagnosis is acute depression, mental dysfunction. Symptoms - nervous breakdowns, persecution mania, suicidal tendencies. During the exacerbation of the disease did not write. After repeated treatment he shot himself.