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James Clark

British programmer

  • Audience58
  • Fame52.6
  • Momentum15.0
  • Developers rank#133
  • Wikipedia262
58 github followers
Born 1964 · age 62United Kingdom
United Kingdom flagUnited KingdomDevelopersDeveloper
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  • Wikipedia
    9 languages
    Cross-language footprint
  • Age
    62
    Born 1964
Summary
Updated 2026-06-25

James Clark is a British software engineer and creator of various open-source software including groff, expat and several XML specifications.

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Net worth

Low confidence
$8.6Bestimated · 2026

Figures are rough estimates and may be inaccurate. Not financial advice.

By the numbers

Score breakdown

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

Fame
Rising
52.6
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum15.0
Historical8.1
Now attention81.8
Source confidence75.0
Completeness75.0
Global rank
—
Country rank
—
Category rank
#133
Receipts

Sources