Definition

1. Proper noun:
   • A historical figure: Klaus Fuchs was a German-born British physicist and atomic spy. He is known for having passed classified information about nuclear weapons from the Western Allies to the Soviet Union during and shortly after World War II.

Usage Examples

• Proper noun:
  • Klaus Fuchs was convicted of espionage in 1950.
  • The scientist Klaus Fuchs provided crucial details about the Manhattan Project to Soviet intelligence.

Advanced Usage

• "the case of Klaus Fuchs": used to refer to the espionage scandal and its impact on Cold War history.
  • The case of Klaus Fuchs heightened fears of communist infiltration in the West.

Variants and Related Words

• Fuchs (surname): The family name, often used alone in historical contexts to refer to him.
  • Fuchs was a key figure in atomic espionage.

Synonyms

• Atomic spy: a spy who steals secrets related to nuclear weapons.
• Defector (in context): though not a defector in the traditional sense, he acted against the state he served.

Related Phrases

• "Fuchs spy ring": a historical term sometimes used to describe the network of which he was a part.
  • Authorities investigated the Fuchs spy ring for years.

Noun

1. British physicist who was born in Germany and fled Nazi persecution; in the 1940s he passed secret information to the USSR about the development of the atom bomb in the United States (1911-1988)