Meredith Bergmann, is a U.S. sculptor, poet, and essayist whose work is said to "forge enriching links between the past and the concerns of the present.", her memorial to which prominent African-American poet, novelist, children's writer, and playwright during the Harlem Renaissance, is in the collection of the New York Public Library? 
Meredith Bergmann:  Her memorial to Countee Cullen is in the collection of the New York Public Library. Countee Cullen: Countee Cullen (May 30, 1903 – January 9, 1946), born Countee LeRoy Porter, was a prominent African-American poet, novelist, children's writer, and playwright during the Harlem Renaissance.
Countee Cullen