Knick Vivien Thomas References Bibliography Bigelow, Barbara Carlisle, Contemporary Black biography: profiles from the international Black community, Gale Research Inc., 1992, Further reading Chenrow, Fred; Chenrow, Carol (1973). Reading Exercises in Black History, Volume 1. Elizabethtown, PA: The Continental Press, Inc. p. 60. External links The Provident Foundation The Provident Foundation History: Dr. Daniel Hale Williams Obituary in the Journal of the National Medical Association (PDF file). Amazing Black scientists 1858 births 1931 deaths African-American physicians American cardiac surgeons American hospital administrators American people of Scotch-Irish descent People from Janesville, Wisconsin People from Hollidaysburg, Pennsylvania Burials at Graceland Cemetery (Chicago) Feinberg School of Medicine alumni Physicians from Pennsylvania People from Lake County, Michigan African-American Catholics 20th-century African-American people African-American history in Chicago