Iwan Bloch
German dermatologist and psychiatrist
Iwan Bloch, also known as Ivan Bloch, was a German dermatologist, and psychiatrist, psychoanalyst born in Delmenhorst, Grand Ducal Oldenburg, Germany, and often called the first sexologist. Wikipedia
Born: April 8, 1872, Germany
Died: November 19, 1922 (age 50 years), Berlin, Germany
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