Klaus Emil Julius Fuchs (29 December 1911 – 28 January 1988) was a German theoretical physicist and atomic spy who supplied information from the American, British, and Canadian Manhattan Project to the Soviet Union during and shortly after World War II.

"...How much longer should I keep playing along with your game?" Klaus (クラウス Kurausu), code-name Bonfire, is a main character introduced in the Spy Classroom series. He is the boss and teacher of Lamplight.

Atomic spies or atom spies were people in the United States, the United Kingdom, and Canada who are known to have illicitly given information about nuclear weapons production or design to the Soviet Union during World War II and the early Cold War.

Apr 19, 2009 · Dubbed the most important atomic spy in history, Klaus Fuchs was a primary physicist on the Manhattan Project and a lead scientist at Britain's nuclear facility by 1949.

Apr 3, 2025 · Klaus Fuchs was a German-born physicist and spy who was arrested and convicted (1950) for giving vital American and British atomic-research secrets to the Soviet Union. Fuchs studied physics and mathematics at the Universities of Leipzig and Kiel and joined the German Communist Party in 1930.

Feb 7, 2024 · Klaus Fuchs was a Russian spy that made an appearance in Christopher Nolan’s Oppenheimer, but what happened to the real-life man after the film?

Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union. EARLY YEARSFuchs was born in Rüsselsheim, German Empire on December 29, 1911.

Nov 13, 2009 · Klaus Fuchs, a German-born British scientist who helped developed the atomic bomb, is arrested in Great Britain for passing top-secret information about the bomb to the Soviet Union.

Klaus Fuchs leaked top-secret intelligence about the Atomic bomb to the Soviet Union. The original plan was for Skardon to interrogate Fuchs in London. In November 1949, Fuchs was 37 years old, and the security services on both sides of the Atlantic were flying blind.

The British Security Service, MI5, suspected Fuchs of being a spy, but in their first interrogation he denied it. During the fourth, he voluntarily confessed. He was arrested in February 1950, convicted in March, and sentenced to 14 years for espionage.