Thomas Hunt Morgan
18661945
American evolutionary biologist and geneticist who won the Nobel Prize for his discoveries on the role of chromosomes in heredity
3 coffadwriaeth wedi'u canfod
Gweld pob un yn Bywydau gyda'r hidlydd wedi'i gymhwyso18661936
French microbiologist who identified lice as the transmitter of epidemic typhus, earning him the Nobel Prize in Medicine in 1928