Charles Richard Drew was a physician, surgeon and medical researcher. His research in blood transfusions, improved techniques for blood storage (blood banks) was used on a large scale in World War II. This allowed medics to save thousands of lives. Dr Drew protested against the practice of racial segregation in blood donation. The night he died from a car accident, he was refused a blood transfusion at the hospital because he was not white.
Credited as the "Father of Rocket Science," Wernher von Braun developed the technology that would land the first men on the moon in 1969. Discover more about technology's evolution w/ @jan issues Wilke Russell-Snider Experience