Max Karl Ernst Ludwig Planck
18581947
German theoretical physicist whose discovery of energy quanta earned him the 1918 Nobel Prize in Physics and laid the foundation for quantum theory
2 goffadwriaeth wedi'u canfod
Gweld pob un yn Bywydau gyda'r hidlydd wedi'i gymhwyso18581917
French sociologist who formally established the academic discipline of sociology and is a principal architect of modern social science
