Alexander Fleming: Scottish biologist who discovered penicillin, one of the first antibiotics, in 1928.
Gertrude B. Elion: American biochemist who developed numerous drugs, including the first immunosuppressive medication and drugs for leukemia, malaria, and HIV.
Tu Youyou: Chinese pharmaceutical chemist who discovered artemisinin, a drug used to treat malaria, in the 1970s.
Paul Ehrlich: German physician and scientist who is known as the father of chemotherapy for his work on developing drugs to treat syphilis and cancer.
Jonas Salk: American virologist who developed the first successful polio vaccine in 1955.
Andrew W. Mellon: American financier and philanthropist who funded the development of the sulfa drugs, the first antibiotics used to treat bacterial infections.
James Black: Scottish pharmacologist who developed beta-blockers and H2 antagonists, medications used to treat high blood pressure and acid reflux, respectively.
Robert Koch: German physician and microbiologist who discovered the bacterium that causes tuberculosis and developed techniques for identifying other disease-causing microbes.
Selman Waksman: Ukrainian-American biochemist who discovered streptomycin, the first antibiotic effective against tuberculosis, and coined the term "antibiotic."
Yoshinori Ohsumi: Japanese cell biologist who won the Nobel Prize in Physiology or Medicine in 2016 for his discoveries on autophagy, a process by which cells break down and recycle their own components.