Centuries: 4th century - 5th century - 6th century
Decades: 420s 430s 440s 450s 460s - 470s - 480s 490s 500s 510s 520s
Years: 468 469 470 471 472 - 473 - 474 475 476 477 478
... for Advanced Study at Princeton University until his retirement in 1952.
He tried to incorporate electromagnetism in the geometrical formalism of gen ...
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