Background Information Albert Einstein(1879--1955) is one of the greatest theoretical MIND ANDBEC ME A GENIUS physicists of all time. He is best known for his theory of relativity, which he first advanced in 1905 when he was only 25. In 1921 Einstein won the nobel prize in physics primarily for his pioneer work in photoelectric(光电的) AMSTERDAM theoryBackground Information Albert Einstein (1879 -- 1955) is one of the greatest theoretical physicists of all time. He is best known for his theory of relativity, which he first advanced in 1905 when he was only 25. In 1921 Einstein won the Nobel Prize in physics primarily for his pioneer work in photoelectric (光电的） theory