Klaus Fuchs: 7. Critical mass

The spy catchers close in. Klaus Fuchs is caught in the crosshairs. Spymaster Ursula has outwitted the interrogators - but can he? As he settles down in England, British intelligence services are following him at every turn. He is caught in a web of surveillance - and his faith i ...  Show more

A vital message must be delivered to US President Franklin D. Roosevelt. Fearing the Nazis are on the verge of creating the first nuclear bomb, Leo Szilard needs to convince the US Government to take the threat seriously. In his hour of need, he reaches out to an old friend, Albe ...  Show more

What happens when the world’s most valuable spy is finally caught? How did British and American intelligence hunt him down? And, was Klaus Fuchs a hero, a villain, or something in between? Klaus Fuchs' final days as a free man were marked by growing suspicions, clandestine excha ...  Show more

What makes a man betray his closest friends? How did a German refugee help Stalin build the bomb? And why did British intelligence fail to spot the most dangerous spy in the Manhattan Project? Klaus Fuchs was brilliant, quiet, and unassuming. A physicist at the cutting edge of n ...  Show more

After a bust-up with the FBI over Pearl Harbor, Duško Popov finds himself at a crossroads. Does he seek a Hollywood ending with his movie star girlfriend or risk death by returning to Lisbon to win back the trust of his Nazi spymasters?Listen to The Spy Who ad-free on Wondery+ in ...  Show more

Why did Fuchs take such a huge gamble by sharing US nuclear secrets with the Soviets? Was Oppenheimer's fellow physicist seeking peace - or war? Charlie Higson talks to Frank Close, an author and physicist, about Fuchs' decision and its impact on the course of history.Listen to T ...  Show more