John Henrik Clarke (January 1, 1915 - July 16, 1998), born John Henry Clark, was a Pan-Africanist American writer, historian, professor, and a pioneer in the creation of Africana studies and professional institutions in academia starting in the late 1960s.
He was Professor of African World History and in 1969 founding chairman of the Department of Black and Puerto Rican Studies at Hunter College of the City University of New York. He also was the Carter G. Woodson Distinguished Visiting Professor of African History at Cornell University's Africana Studies and Research Center. In 1968 along with the Black Caucus of the African Studies Association, Clarke founded the African Heritage Studies Association.
An autodidact, Clarke documented the histories and contributions of African peoples in Africa and the diaspora using an Afrocentric perspective.
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http://en.wikipedia.org/wiki/John_Henrik_Clarke