Bu Farw Ar y Diwrnod Hwn

American physicist and inventor

German chemist

Scottish author

Jewish-German-born British biochemist

German film director

Soviet Armenian astrophysicist

Czech composer

Swiss physiologist

Finland Swedish baron, geologist, mineralogist and Arctic explorer

English electrical engineer

American actor

American actress

American chemist

American artist

American avant-garde composer

Austrian-American chess player

German novelist and Nobel Prize laureate

American actress