Albert Einstein's discoveries changed our concept of gravity by adding revolutionary layers to Isaac Newton's theories. Here's what else Einstein did.

Physicist Albert Einstein was born in Ulm, Germany, on March 14, 1879. He became a U.S. citizen in 1940 and died in Princeton, New Jersey, on April 18, 1955. (Getty Images) ...

As one of the most famous scientists of the 20th century, Albert Einstein has become synonymous with genius. He taught himself geometry and calculus while living in Germany in his teens before ...