World-renowned sex researcher who founded the Institute for Sex Research at Indiana University in 1947 and compiled statistical research on his subjects' intimate behavior. His books, Sexual Behavior in the Human Male and Sexual Behavior in the Human Male, are considered precursors to the sexual revolution that occurred over a decade later.
He suffered from curvature of the spine, a condition that saved him from being drafted during World War I.
He developed the revolutionary Kinsey Scale, which measures an individual's sexual orientation on a range from 0 to 6, where 0 is exclusively heterosexual and 6 is exclusively homosexual. He is the subject of the 2004 film Kinsey, where he is played by Liam Neeson.
He married Clara Bracken McMillen in 1921; together, they had four children.