John Clark Sheehan - September 23, 1915-March 21, 1992.
Corey
E J
EJ
Roberts
J D
JD
D002621:Chemistry / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010406:Penicillins / Q000266:history*; D014481:United States
D010406:Penicillins