<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.

Share S2.8 The uncertainty principle

Sign up to save your podcasts

S2.8 The uncertainty principle

S2.8 The uncertainty principle

More shows like The Bomb

In Our Time

From Our Own Correspondent

Global News Podcast

Business Daily

Friday Night Comedy from BBC Radio 4

More or Less: Behind the Stats

World Business Report

Witness History

The Infinite Monkey Cage

Newshour

The Life Scientific

The History Hour

Dan Snow's History Hit

Curious Cases

Newscast

Evil Genius with Russell Kane

13 Minutes to the Moon

You're Dead to Me

True Spies: Espionage | Investigation | Crime | Murder | Detective | Politics

The Lazarus Heist

Sport's Strangest Crimes

Uncanny

The Coming Storm

Dua Lipa: At Your Service

Lady Killers with Lucy Worsley

Powerplay

Believe in Magic

History's Heroes

Uncharted with Hannah Fry

The Global Story

Miss Me?

The History Podcast