The kindly, white-heaired old fellow with the bushy mustache once called ""the world"s grandfather,"" Albert Einstein was easily the twentieth century"'s most remarkable and revered man of science. His leaps of imagination changed forever the way we look...

Albert Einstein was a German-born theoretical physicist. Hedeveloped the general theory of relativity, one of the two pillars of modernphysics. Einstein"s work is also known for its influence on the philosophy ofscience.'