# Profile Albert Einstein update sinobsys

Albert Einstein was a German-born physicist who developed the theory of relativity. He is considered the most influential physicist of the 20th century.

Born in Ulm, Württemberg, Germany in 1879, Albert Einstein developed the special and general theories of relativity. In 1921, he won the Nobel Prize for physics for his explanation of the photoelectric effect. Einstein is generally considered the most influential physicist of the 20th century. He died on April 18, 1955, in Princeton, New Jersey.