Robert Oppenheimer
19041967
American theoretical physicist and science administrator known as the "father of the atomic bomb" for his leadership of the Manhattan Project
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Gweld pob un yn Bywydau gyda'r hidlydd wedi'i gymhwyso19042000
A titan of the British stage and screen, John Gielgud was an actor and director whose career spanned eight decades, becoming one of the "trinity" of actors who shaped 20th-century theatre
