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The Book, Volume 1: Page 9, Picture 9, February 1944, Professor Albert Einstein (1879-1955) in his home in the suburbs of Princeton, New Jersey, United States. (Photo by Popperfoto/Getty Images)

The Book, Volume 1: Page 9, Picture 9, February 1944, Professor Albert Einstein (1879-1955) in his home in the suburbs of Princeton, New Jersey, United States. (Photo by Popperfoto/Getty Images)