
He visited the United States when Adolf Hitler came to power in 1933 and went not back to Germany. The latter was pivotal in establishing quantum theory. He also investigated the thermal properties of light, which laid the foundation of the photon.īest known for his mass–energy equivalence formula E = m c2, dubbed "the world's most famous equation," he received "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect". He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules. He recognized, however, that he ably also extended the principle to gravitational fields and with his subsequent theory of gravitation in 1916 published a paper. He completed his Philosophiae Doctor at the University of Zurich before 1909.Įinstein, a pacifist during World War I, stayed a firm proponent of social justice and responsibility.Įinstein thought that Newtonion mechanics no longer enough reconciled the laws of classical mechanics with those of the electromagnetic field. His first paper, also published in 1905, changed the world.


His paper of 1905 formed the basis of electronics.

Special and general theories of relativity of German-born American theoretical physicist Albert Einstein revolutionized modern thought on the nature of space and time and formed a base for the exploitation of atomic energy he won a Nobel Prize of 1921 for his explanation of the photoelectric effect.
