<p>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 in the Soviets is faltering. How long can he run for? #thebomb</p>

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 in the Soviets is faltering. How long can he run for? #thebomb

S2.8 The uncertainty principle

<p>The spy who changed history. And a great-aunt's double life. In season one of The Bomb, we met the scientist who might have stopped the atomic bomb from ever being built. In season two, we meet the man who stole it. Klaus Fuchs was a brilliant young physicist, and the world’s most dangerous spy. Rosa Ellis finds out how he crossed paths with her great-aunt, and how their partnership changed the course of history.</p>

History

The spy who changed history. And a great-aunt's double life. In season one of The Bomb, we met the scientist who might have stopped the atomic bomb from ever being built. In season two, we meet the man who stole it. Klaus Fuchs was a brilliant young physicist, and the world’s most dangerous spy. Rosa Ellis finds out how he crossed paths with her great-aunt, and how their partnership changed the course of history.

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S2.8 The uncertainty principle

S2.8 The uncertainty principle

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