Jonas E. Salk--discoverer of a vaccine against poliomyelitis.
Shampo
M A
MA
Kyle
R A
RA
D049673:History, 20th Century; D006801:Humans; D007988:Liberia; D010678:Philately; D011051:Poliomyelitis / Q000266:history; D011054:Poliovirus Vaccine, Inactivated / Q000266:history*; D014481:United States
D011054:Poliovirus Vaccine, Inactivated