Albert Einstein Einstein did not return to Germany. He settled in the United States and became an American citizen in 1940. On the eve of World War II, he endorsed a letter to President Franklin D. Roosevelt alerting him to the potential development of "extremely powerful bombs of a new type" and recommending that the US begin similar research. This eventually led to the Manhattan Project. Einstein supported the Allies, but he generally denounced the idea of using nuclear fission as a weapon. He signed the Russell–Einstein Manifesto with British philosopher Bertrand Russell, which highlighted the danger of nuclear weapons. He was
Albert Einstein Square for Islamic Art]. Albert Einstein Square Albert Einstein Square (Kikar Albert Einstein) is a public square in Jerusalem, Israel, named for the physicist Albert Einstein. It is located in the Kiryat Shmuel neighborhood, on the grounds of the Council for Higher Education in Israel, Israel Academy of Sciences and Humanities, and Van Leer Jerusalem Institute. Albert Einstein visited Palestine in 1923 for 12 days, giving the first lecture at the Mount Scopus campus of the Hebrew University of Jerusalem. Menachem Ussishkin, the president of the Zionist Executive, invited Einstein to settle in Jerusalem, but this was the only visit that