Albert Einstein ,  (born March 14, 1879, Ulm, Württemberg, Germany—died April 18, 1955,  Princeton, New Jersey, U.S.), German-born physicist who developed the  special and general theories of relativity and won the Nobel Prize for  Physics in 1921 for his explanation of the photoelectric effect.     Albert Einstein  is justly famous      for devising his theory of relativity, which revolutionized our  understanding of space, time, gravity, and the universe. ... But     relativity is only one part of Einstein's  prodigious legacy. He was equally inventive when it came to the physics of atoms, molecules, and light.     He was  affiliated  with the Institute for Advanced Study in Princeton, New Jersey, until  his death in 1955. He published more than 300 scientific papers and more  than 150 non-scientific works. His intellectual achievements and  originality have  made the word " Einstein " synonymous with "genius".     E=mc2 E = mc 2 .  It's the world's mo...