Centuries: 2nd century - 3rd century - 4th century
Decades: 230s 240s 250s 260s 270s - 280s - 290s 310s 320s 330s 340s
Years: 276 277 278 279 280 - 281 - 282 283 284 285 286
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... Contents Dennis Gabor Dennis Gabor (Gábor Dénes) (1900-1979) was a Hungarian physicist. He invented holography in 1947, for which ...