The Nobel Prize in Physiology or Medicine 1939 was awarded to Gerhard Domagk "for the discovery of the antibacterial effects of prontosil".
Gerhard Domagk was caused by the authorities of his country to decline the award but he later received the diploma and the medal.
"for their discoveries concerning a novel therapy against infections caused by roundworm parasites"
"for his work on serum therapy, especially its application against diphtheria, by which he has opened a new road in the domain of medical science and thereby placed in the hands of the physician a victorious weapon against illness and deaths"
"for the discovery of penicillin and its curative effect in various infectious diseases"