Black American Innovation-Dr.Daniel Hale Williams (The Father Of Open Heart Surgery) September 20, 2019 | No Comments “Black American Innovation-Dr.Daniel Hale Williams (The Father Of Open Heart Surgery)” Related posts:Black Real Estate Brokers Arre...Dr. Delbert Blair- Return of T...Trump Says He Is The Reason Co... 0 0 votes Article Rating History, Knowledge , Daniel Hale Williams, First Interracial Hospital, Innovation, National Medical Association, Past