Alfred Newton Richards scientist and man.
D001634:Bibliographies as Topic; D005180:Faculty, Medical; D049672:History, 19th Century; D049673:History, 20th Century; D007668:Kidney / Q000502:physiology; D010406:Penicillins; D010414:Pennsylvania; D010600:Pharmacology / Q000266:history*; D012106:Research; D012109:Research Support as Topic; D014481:United States
D010406:Penicillins