Dr. Charles Drew was once described as “one of the most constructively active figures in the medical profession.” His work as a key figure in the development of blood banking continues to impact lives today, long after his tragic death.
Research:

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25