First synthesized in NUMBER@1 by PERSON@1 , DDT 's insecticidal properties were not discovered until NUMBER@2 by the MISC@1 scientist PERSON@2 , who was awarded the NUMBER@3 MISC@2 in Physiology and Medicine for his efforts .

The MISC@1 chemist PERSON@2 was awarded the MISC@3 in NUMBER@3 , for his discovery.NobelPrize.org : The MISC@2 in Physiology or Medicine NUMBER@3 Accessed July NUMBER@4 , NUMBER@5 .
