On a sunny afternoon in 1939, the physicists Leo Szilard and Eugene Wigner visited Albert Einstein at his beach cottage on Long Island. They wanted him to write to President Franklin Roosevelt about the need to develop the atom bomb before the Nazis could.
On a sunny afternoon in 1939, the physicists Leo Szilard and Eugene Wigner visited Albert Einstein at his beach cottage on Long Island. They wanted him to write to President Franklin Roosevelt about the need to develop the atom bomb before the Nazis could.