This page is about the philosopher and psychologist. See also James Baldwin (disambiguation) James Mark Baldwin (; January 12, 1861, Columbia, South Carolina – November 8, 1934, Paris) was an American philosopher and psychologist who was educated at Princeton under the supervision of Scottish philosopher James McCosh and who was one of the founders of the Department of Psychology at the university. He made important contributions to early psychology, psychiatry, and to the theory of evolution.