Albert Einstein was a German-born American physicist best known for being the creator of the special and general theories of relativity and for this hypothesis concerning the particle nature of light. Einstein was born in Ulm on March 14, 1879 and spent his youth in Munich, Germany. Einstein didn’t speak till the age of three. Despite this he even showed brilliancy as a child and understood difficult mathematical concepts. Around the age of 12, he taught himself …showed first 75 words of 1247 total…

…showed last 75 words of 1247 total…embarking on such a course. The letter, which bore only Einstein’s signature, help lend urgency to efforts in the U. S. to build the atomic bomb, but Einstein himself played no role in the work and knew nothing about it at the time. After the war, Einstein was active in the cause of international disarmament and world government. Einstein died in Princeton on April 18, 1955. Bibliography http://www.westegg.com/einstein Encarta 99 www.britanica.com