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:Slave Revolts: Why America Era...Pharaoh - Existence Classifica...Red Pill - Starbucks Arrest In... 0 0 votes Article Rating History, Knowledge , Daniel Hale Williams, First Interracial Hospital, Innovation, National Medical Association, Past