Scottish biologist, physician, microbiologist, and pharmacologist Alexander Fleming discovered Penicillin in September, 1928, sharing the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.

Yousuf Karsh photographed dozens of subjects related to the world of medicine, including several Nobel Prize winners. All 15,000+ sittings are searchable on this website. Or search on a keyword such as “medicine” and see who you find!