Mal·colm X (māl'kəm ěks') American activist. A member of the Black Muslims (1952-1963), he advocated separatism and Black pride. After converting to orthodox Islam, he founded the Organization of Afro-American Unity (1964) and was assassinated in Harlem.
An African-American political leader of the twentieth century. A prominent Black Muslim, Malcolm X explained the group's viewpoint in a book written by Alex Haley, The Autobiography of Malcolm X. He was assassinated in 1965.