The Atomic Bomb & the Secret City

On June 6, 1944, a combined Allied force carried out the largest amphibious invasion in history. They were led by an American.What was General Eisenhower's role in D-Day? How was American officer training key to the strategy used? And how did the British weather change everything ...  Show more

We've asked some of our favorite historians for their number one moment from these 250 years of the United States' History. For this episode, we're honored to welcome Jill Lepore back to the show.How do the life and letters of Jane Franklin, beloved sister of THE Benjamin Frankli ...  Show more

In 1939 Franklin D Roosevelt received a letter from Albert Einstein, warning him that the Nazis might be developing nuclear weapons. America has to act fast.

What follows is the creation of a secret city in the rural area of Oak Ridge, Tennessee. Aroun ...

On a summer morning in 1945, a device known simply as 'Gadget' was detonated. An enormous explosion tore a crater into the New Mexico desert, melting sand into radioactive green glass and sending a mushroom cloud 7.5 miles into the sky. This was the first controlled detonation ...

Often referred to as the father of the atomic bomb, J. Robert Oppenheimer's work in the field of theoretical physics changed the world as we knew it. Working in Los Alamos, New Mexico during the Second World War, the Manhattan Project and the scientific advancements achieved ther ...  Show more

The new Oppenheimer movie has everyone asking questions about the atomic bombs dropped on Japan in 1945 - were two bombs necessary? Would the war have ended without it? Was there an ulterior motive? Would the Americans have dropped a third if they had it?

At the end ...