John Charnley McKinley (November 8, 1891 - January 3, 1950) was an American neurologist who co-authored the psychological assessment known as the Minnesota Multiphasic Personality Inventory (MMPI).
He was educated at the University of Minnesota, where he spent almost all of his academic career.
Throughout his education and his career in academia, he spent almost all of that time at the University of Minnesota.
[1] In 1928, McKinley received a Guggenheim Fellowship to study medicine at the University of Breslau in Germany.
[3] Originally, Hathaway and McKinley intended that the test would detect the personality characteristics associated with psychiatric disability.