William Henry Bragg
18621942
British scientist who shared a Nobel Prize with his son for X-ray crystallography and developed wartime hydrophone technology
2 goffadwriaeth wedi'u canfod
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Gweld pob un yn Bywydau gyda'r hidlydd wedi'i gymhwyso18881942
Cuban chess player, diplomat, and non-fiction writer who became the third world chess champion, renowned for his endgame skill and speed of play
