Clark, Kenneth Bancroft
1914-2005 · Contribution: 1939-1975
First African American to earn a psychology PhD from Columbia University; first Black president of the American Psychological Association; co-developed the 'doll test' research cited in Brown v. Board of Education

Portraits are AI-generated interpretations, not photographs.
Impact on the world
Co-developed, alongside his wife and primary research partner Mamie Phipps Clark, the 'doll test' studies on Black children's racial self-perception that became part of the social science evidence NAACP attorneys presented to the U.S. Supreme Court in Brown v. Board of Education (1954), personally testifying as an expert witness in three of the case's four combined trials; he went on to become the first African American to earn a psychology PhD from Columbia University, the first Black permanent faculty member at the City College of New York, and in 1971 the first Black president of the American Psychological Association.
Life & background
Born in the Panama Canal Zone in 1914, Clark moved to New York City with his mother and sister in 1919, eventually earning his bachelor's and master's degrees from Howard University, where in his final year he met and began encouraging fellow student Mamie Phipps to pursue psychology over mathematics, a relationship that led to their 1937 elopement and a lifelong research partnership. He completed his PhD in experimental psychology at Columbia in 1940, becoming the first African American to hold that degree from the institution, before briefly working as a research psychologist for the Office of War Information and then joining the faculty of the City College of New York, where he became the institution's first permanent Black faculty member and remained until his 1975 retirement. Although history has often credited him individually with the doll test, Clark himself acknowledged that the research had originally been his wife's own project, one he had joined only after she had already begun it; together the couple administered the doll studies to over 250 Black children, and Kenneth testified as an expert witness in three of the four school segregation cases combined into Brown v. Board, co-authoring a summary statement on the supporting social science research endorsed by 35 leading social scientists nationwide, testimony that proved influential in Chief Justice Earl Warren's eventual ruling. He and Mamie co-founded Harlem's Northside Center for Child Development in 1946 and Harlem Youth Opportunities Unlimited in 1962 to combat youth unemployment and school dropout rates, and in 1971 Kenneth became the first African American elected president of the American Psychological Association; he died in 2005, having outlived his wife and lifelong research partner by 22 years.
Sources
- Library of Congress (African American Innovation guide); Open History of Psychology; Psychology Today; NAACP Legal Defense Fund
More in Education
Adams, Osceola Macarthy
1890-1985
Co-founded Delta Sigma Theta Sorority in 1913; pioneering Black actress and acting teacher who performed under the stage name Osceola Archer
Anderson, Claud
1936-
Authored 'PowerNomics: The National Plan to Empower Black America' and 'Black Labor, White Wealth,' influential books on Black economic self-sufficiency and group economics; held senior federal and state economic development posts
Armstrong, Byron Kenneth
1892-1980
Co-founded Kappa Alpha Psi Fraternity in 1911; earned a PhD and built a career as a professor and academic dean across multiple universities
Asante, Molefi Kete (Arthur Lee Smith Jr.)
1942-
Coined the theory of Afrocentricity; founded the first PhD program in African American Studies in the United States at Temple University in 1988