Eugen Bleuler, Swiss psychiatrist and eugenicist (d. 1940)

Paul Eugen Bleuler (; German: [ˈɔɪɡeːn ˈblɔɪlər]; 30 April 1857 – 15 July 1939) was a Swiss psychiatrist and humanist most notable for his contributions to the understanding of mental illness. He coined several psychiatric terms including "schizophrenia", "schizoid", "autism", depth psychology and what Sigmund Freud called "Bleuler's happily chosen term ambivalence".