Albert Einstein’s theory of gravitational redshift was proven after a telescope in Chile observed a black hole.
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Albert Einstein submits a paper outlining his theory of special relativity.
US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
Albert Einstein safely arrived in the US after fleeing Nazi Germany.
Albert Einstein visited New York City and lectured on his Theory of Relativity for the first time.
Albert Einstein completed his doctoral thesis at the University of Zurich and was awarded a Ph.D.