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John Harrison

British clockworker

  • Fame57.6
  • Momentum7.1
  • Wikipedia13.2K
Source-basedRising
Lived 1693–1776, aged 83United Kingdom
United KingdomUnited KingdomScientistsScientist
  • Wikipedia
    45 languages
    Cross-language footprint
  • Era
    1693–1776
    Aged 83
  • Awards
    1
    recognised work
Summary
Updated 2026-06-21

John Harrison was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.

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

Fame
Rising
57.6
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum7.1
Historical21.8
Now attention39.5
Source confidence60.0
Completeness70.0
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