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:Red & Blue Pill, KT, Oracle, 1...Black Business Owners Sabotage...Exploring Hidden Waterfalls | ... 0 0 votes Article Rating Knowledge, History , Daniel Hale Williams, First Interracial Hospital, Innovation, National Medical Association, Past