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German-born Swiss physicist Albert Einstein is granted an American visa.
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Physicist
Scientist specializing in the field of physics
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate causes of phenomena, and usually frame…Source: Wikipedia (CC BY-SA)
Albert Einstein
German-born theoretical physicist (1879–1955)
Albert Einstein was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence formula E = mc2, which arises from special relativity, has been called…Source: Wikipedia (CC BY-SA)
Travel visa
Authority to enter, stay in, or exit a territory
A travel visa is a conditional authorization granted by a polity to a foreigner that allows them to enter, remain within, or leave its territory. Visas typically include limits on the duration of the foreigner's stay, areas within the country they may enter, the dates they may…Source: Wikipedia (CC BY-SA)