abstract:Daniel Paul Schreber (25 July 1842 – 14 April 1911) was a German judge who suffered from what was then diagnosed as dementia praecox. He described his second mental illness (1893–1902), making also a brief reference to the first illness (1884–1885) in his book Memoirs of My Nervous Illness (original German title Denkwürdigkeiten eines Nervenkranken).