Morio Kita (北 杜夫 Kita Morio?) was the pen name of Sokichi Saitō (斎藤 宗吉 Saitō Sōkichi?, May 1, 1927 – October 24, 2011), a Japanese novelist, essayist, and psychiatrist.
Kita attended Azabu High School, Matsumoto Higher School (now part of Shinshu University) and graduated from Tohoku University's School of Medicine. He initially worked as a doctor at Keio University Hospital. Motivated by the collections of his father's poems and the books of German author Thomas Mann, he decided to become a novelist. He was the second son of poet Mokichi Saitō. , his older brother, is also a psychiatrist. The essayist Yuka Saitō is his daughter.
He has suffered from manic–depressive disorder since his middle age.
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