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Reino Häyhänen

KGB officer

  • Fame50.0
  • Momentum10.9
  • Wikipedia2.2K
Source-basedRising
Lived 1920–1961, aged 41
  • Wikipedia
    10 languages
    Cross-language footprint
  • Era
    1920–1961
    Aged 41
Summary
Updated 2026-07-09

Reino Häyhänen was a Soviet intelligence officer of the KGB who defected from the Soviet Union to the United States in May 1957. Häyhänen surrendered information on Soviet espionage activities that solved the Hollow Nickel Case for the FBI, and led to the arrest of his KGB partner Rudolf Abel and other Soviet spies in the United States and Canada.

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Fame
Rising
50.0
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum10.9
Historical8.8
Source confidence55.0
Completeness40.0
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