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 to the city. The Albert Einstein Archives are located at the Givat Ram campus of the Hebrew University of Jerusalem. Einstein was supportive of the Hebrew University in particular as well as Zionism and education in general, hence the naming of this square in association with several higher education and research-oriented institutions of national importance in Israel to honour Einstein, together with a statue of Einstein in nearby gardens of the Israel Academy of Sciences and Humanities. Landmarks near by are the Jerusalem Theatre and the official residence of the President of Israel. Further to the southwest is the Museum