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Len Duncan

Racecar driver

  • Fame40.1
  • Momentum0.4
  • Wikipedia122
Lived 1911–1998, aged 87United States
United States flagUnited States
  • Wikipedia
    13 languages
    Cross-language footprint
  • Era
    1911–1998
    Aged 87
Summary
Updated 2026-06-19

Len Duncan was an American race car driver. Duncan raced midget cars in seven decades from 1920s until the 1980s. During World War II, received the honor of being assigned as President Harry S. Truman's driver during one of his visits to England. Mario Andretti credits Duncan with having a great influence on his professional life. Andretti raced against Duncan in the American Racing Drivers Club (ARDC) series in 1963.

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The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Falling
40.1
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum0.4
Historical10.9
Source confidence60.0
Completeness35.0
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