Albert Einstein (March 14, 1879 to April 18, 1955) was a German
mathematician and physicist who developed the special and
general theories of relativity. In 1921, he won the Nobel Prize for
physics for his explanation of the photoelectric effect. In the
following decade, he immigrated to the U.S. after being targeted by
the Nazis. His work also had a major impact on the development of
atomic energy. In his later years, Einstein focused on unified field
theory. With his passion for inquiry, Einstein is generally considered
the most influential physicist of the 20th century.
