Not who you're looking for? Others named John Nash: English footballer (1867-1939) · National Basketball Association executive · 17th-century English merchant and politician · British architect (1752–1835)
“I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics, delirium and symptoms of schizophrenia.”
“Though I had success in my research both when I was mad and when I was not, eventually I felt that my work would be better respected if I thought and acted like a 'normal' person.”
“People are always selling the idea that people with mental illness are suffering. I think madness can be an escape. If things are not so good, you maybe want to imagine something better. In madness, I thought I was the most important person in the world.”
Quotes via Wikiquote (CC BY-SA), each with its original source.
