Question: Dark Girls is a 2012 documentary film by American filmmakers Bill Duke and D. Channsin Berry, it also reports on a new version of the 1940s black doll experiment by who, which were African-American psychologists who as a married team conducted important research among children and were active in the Civil Rights Movement?
Sentence (from "Kenneth and Mamie Clark"): Kenneth Clark also was an educator and professor at City College of New York, and first black president of the American Psychological Association.
Relevant evidence: No