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:Obama Speech - On Trump & Chal...#YouTubeIsOverParty:New Advert..."In Home Banking" Documentary 0 0 votes Article Rating Knowledge, History , Daniel Hale Williams, First Interracial Hospital, Innovation, National Medical Association, Past