Albert Einstein and J. Robert Oppenheimer (Via Getty Images) J. Robert Oppenheimer was born on April 22, 1904, in New York City and grew up in a wealthy Jewish family.

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

On 2 August 1939, Albert Einstein wrote a letter that would result in the Manhattan Project, and one of history's most significant, and destructive, inventions – the atomic bomb.

Manhattan Project: Albert Einstein. Human Intelligence. Albert Einstein was an international pop star of science who urged the US government to build an atom bomb.

Albert Einstein was born in Ulm, Germany, on this day in history, March 14, 1879. He was just 26 years old when he proposed his groundbreaking theory of relativity.