When did Albert Einstein become a citizen of the United States?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Portrait of Albert Einstein in a suit and tie, looking slightly to the side with a neutral expression. — Albert Einstein Albert Einstein developed the special and general theory of relativity, which recast gravity as a bending in space-time.

Albert Einstein obtained citizenship in the United States in 1940.1

After arriving in the U.S. in 1933 to join the Institute for Advanced Study in Princeton, he had previously become a permanent resident in 1935. He remained in Princeton until his death in 1955.1