Paul Hermann Müller
18991965
Swiss chemist and physician who received the 1948 Nobel Prize for discovering the insecticidal properties of DDT, crucial for controlling malaria and yellow fever
2 goffadwriaeth wedi'u canfod
Gweld pob un yn Bywydau gyda'r hidlydd wedi'i gymhwyso18951965
American photojournalist whose images captured the human face of the Great Depression and Japanese American internment
