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: The Practical Bohemian Albert Einstein: The Practical Bohemian Albert Einstein: The Practical Bohemian is a stage play that is the only show officially endorsed by the Einstein family. A quote from Albert Einstein's first cousin said that the family "felt as though they were in the presence of their dear cousin Albert." The one-man show opened in 1978 written and performed by actor-writer Ed Metzger in Los Angeles, California. Since that time, he has presented it throughout the world, including the Kennedy Center in Washington, D.C.. The show, co-written by Metzger's wife Laya Gelff, is a portrayal is about the man as well