# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jiro-nagasawa
# Generated: 2026-08-14T18:13:52.682Z

schema: https://schema.org/Person
url: "https://fame.am/person/jiro-nagasawa"
name: "Jiro Nagasawa"
slug: "jiro-nagasawa"
description: "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."
tagline: "Japanese Olympic swimmer (1932-2010)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Nagasawa_Jiro.JPG?width=1200"
gender: "male"
country:
  name: "Japan"
  isoCode: "JP"
birthDate: "1932-02-02"
deathDate: "2010-03-23"
livingStatus: "DECEASED"
scores:
  popularity:           42.46
  momentum:             18.42715943274602
  historical:           5.876062666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  50
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fr.wikipedia.org/wiki/Jir%C5%8D_Nagasawa"
    title: "Jirō Nagasawa"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jiro_Nagasawa"
    title: "Jiro Nagasawa"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%AC%DB%8C%D8%B1%D9%88_%D9%86%D8%A7%DA%AF%D8%A7%D8%B3%D8%A7%D9%88%D8%A7"
    title: "جیرو ناگاساوا"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Jiro_Nagasawa"
    title: "Jiro Nagasawa"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E9%95%B7%E6%B2%A2%E4%BA%8C%E9%83%8E"
    title: "長沢二郎"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Jiro_Nagasawa"
    title: "Jiro Nagasawa"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3120991"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump