Albert Einstein and Leó Szilárd writing their letter which was delivered to President Roosevelt on August 2, 1939, which led to the establishment of the Manhattan Project. By the summer of 1945, the United States had built the world’s first atomic bomb.
American poster of Hitler expelling Einstein from Germany, titled “The Ignominy of the Century.”, 1934
Albert Einstein and his step-daughter, Margot Einstein, are sworn in as American citizens, October 1940
Albert Einstein and Rabindranath Tagore, theoretical physicist, linguistics, and musician, in 1930. This was the second part of the Einstein-Tagore conversation that took place in Kolkata.