Born 125 years ago, the Hungarian–American physicist Leo Szilard is best remembered for being the first scientist to call for atomic bombs to be developed – before later demanding they be stopped. But ...

The Pugwash Conference on Science and World Affairs turns 30 on July 7. Leo Szilard, the physicist who since 1945 had been proposing just such a meeting of Russian and Western scientists to discuss ...

Not only was Leo Szilárd an influential nuclear researcher — he also dabbled in tales of sentient dolphins. Peggy Kolm offers an overview of his career.

The letter titled “On My Participation in the Atom Bomb Project” was originally in German. It was sent to a Japanese ...

There's a long history of scientists looking for better alternatives for refrigeration, including a refrigerator designed by physicists Albert Einstein and Leo Szilard.

The famous letter was penned with the help of Hungarian émigré physicist Leo Szilard, who was one of a number of European scientists who fled to the U.S. in the 1930s to escape Nazi and fascist ...

First, Szilard was considered eccentric by many, and had no way of contacting the White House, much less be taken seriously. He needed a credible envoy, namely Einstein.

A mushroom cloud towers over Nagasaki after the detonation of an atomic bomb in 1945. Albert Einstein struggled with his role in the creation of the bomb and the devastation wrought by the U.S ...

The day before Leo Szilard devised the nuclear chain reaction in 1933, the great physicist Ernest Rutherford proclaimed that anyone who propounded atomic power was “talking moonshine.” ...

Letter from Albert Einstein to President Franklin Delano Roosevelt about nuclear physicist Dr. Leo Szilard, 1945.