Kenneth and Mamie Clark
Kenneth Bancroft Clark (July 24, 1914 – May 1, 2005) and Mamie Phipps Clark (April 18, 1917 – August 11, 1983) were American psychologists who as a married team conducted research among children and were active in the Civil Rights Movement. They founded the Northside Center for Child Development in Harlem and the organization Harlem Youth Opportunities Unlimited (HARYOU).