Seventy-five years ago, Hungarian-American physicist Leo Szilard wrote a letter to United States President Franklin Roosevelt expressing concern that German scientists would soon unlock the secrets to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." One of the most influential scientists of the 20 th century, Albert Einstein is well-known for developing ...

The second movement from Denin Koch's debut album "re: manhattan project," "the einstein-szilard letter" reflects on the letter sent by Albert Einstein and Leo Szilard to FDR on August 2, 1939 warning ...

On this day in 1939, a crucial letter was delivered to President Franklin D. Roosevelt that led to the beginnings of the Manhattan Project, which would eventually produce the first atomic bombs during ...