Khalil Gibran Muhammad
He is the former director of the Schomburg Center for Research in Black Culture , a Harlem-based branch of the New York Public Library system , a research facility dedicated to the history of the African diaspora . 
<triplet> Schomburg Center for Research in Black Culture <subj> New York Public Library <obj> parent organization <triplet> New York Public Library <subj> Schomburg Center for Research in Black Culture <obj> subsidiary