# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/joseph-leonard-walsh
# Generated: 2026-08-14T10:03:00.649Z

schema: https://schema.org/Person
url: "https://fame.am/person/joseph-leonard-walsh"
name: "Joseph Leonard Walsh"
slug: "joseph-leonard-walsh"
description: "Joseph Leonard Walsh was an American mathematician who worked mainly in the field of analysis. The Walsh function and the Walsh–Hadamard code are named after him. The Grace–Walsh–Szegő coincidence theorem is important in the study of the location of the zeros of multivariate polynomials."
tagline: "American mathematician (1895-1973)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Hille_Walsh_Zurich1932.tif?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1895-09-21"
deathDate: "1973-12-06"
livingStatus: "DECEASED"
scores:
  popularity:           42.08
  momentum:             0
  historical:           9.611232
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E7%B4%84%E7%91%9F%E5%A4%AB%C2%B7L%C2%B7%E6%B2%83%E7%88%BE%E4%BB%80"
    title: "約瑟夫·L·沃爾什"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D8%B2%D9%8A%D9%81_%D8%A5%D9%84._%D9%88%D8%A7%D9%84%D8%B4"
    title: "جوزيف إل. والش"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%DA%86%D9%88%D8%B2%D9%8A%D9%81_%D9%84%D9%8A%D9%88%D9%86%D8%A7%D8%B1%D8%AF_%D9%88%D8%A7%D9%84%D8%B4"
    title: "چوزيف ليونارد والش"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D8%AC%D9%88%D8%B2%D9%81_%D8%A7%D9%84._%D9%88%D8%A7%D9%84%D8%B4"
    title: "جوزف ال. والش"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Joseph_Walsh"
    title: "Joseph Walsh"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Joseph_L._Walsh"
    title: "Joseph L. Walsh"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Joseph_L._Walsh"
    title: "Joseph L. Walsh"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%AC%D9%88%D8%B2%D9%81_%D8%A7%D9%84._%D9%88%D8%A7%D9%84%D8%B4"
    title: "جوزف ال. والش"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Joseph_L._Walsh"
    title: "Joseph L. Walsh"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%A1%B0%EC%84%B8%ED%94%84_%EC%9B%94%EC%8B%9C"
    title: "조세프 월시"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Joseph_Leonard_Walsh"
    title: "Joseph Leonard Walsh"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1336492"
    title: "Wikidata"
    type:  "WIKIDATA"

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