Claim profile

Jiro Nagasawa

Japanese Olympic swimmer (1932-2010)

  • Fame42.5
  • Momentum18.4
  • Wikipedia261
Source-basedBreakout
Lived 1932–2010, aged 78Japan
Japan flagJapan
  • Wikipedia
    6 languages
    Cross-language footprint
  • Era
    1932–2010
    Aged 78
Summary
Updated 2026-07-21

Jiro Nagasawa was a Japanese swimmer. He is credited with the invention of the modern butterfly stroke. Although not the first to swim the butterfly-breaststroke, Nagasawa was the first to use a dolphin kick, where the legs stayed together and moved simultaneously up then down.

Where to find them

Platforms

No platforms connected yet.

By the numbers

Score breakdown

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

Fame
Rising
42.5
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum18.4
Historical5.9
Source confidence35.0
Completeness50.0
Global rank
—
Country rank
—
Category rank
—
Receipts

Sources