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:GRAPHIC: Dash Cam Video From K...White Woman Racial Profiling B...Mark Whitten Explains How Easy... 0 0 votes Article Rating Knowledge, History , Daniel Hale Williams, First Interracial Hospital, Innovation, National Medical Association, Past