# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/stanis-aw-lesniewski
# Generated: 2026-08-15T01:16:06.886Z

schema: https://schema.org/Person
url: "https://fame.am/person/stanis-aw-lesniewski"
name: "Stanisław Leśniewski"
slug: "stanis-aw-lesniewski"
description: "Stanisław Leśniewski was a Polish mathematician, philosopher and logician. A professor of mathematics at the University of Warsaw, he was a leading representative of the Lwów–Warsaw School of Logic and is known for coining and introducing the concept of mereology as part of a comprehensive framework for logic and mathematics."
tagline: "Polish mathematician and philosopher (1886-1939)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Stanislaw_Lesniewski_(69447640)_(cropped).jpg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1886-03-30"
deathDate: "1939-05-13"
livingStatus: "DECEASED"
scores:
  popularity:           49
  momentum:             0
  historical:           17.57008933333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sr.wikipedia.org/wiki/%D0%A1%D1%82%D0%B0%D0%BD%D0%B8%D1%81%D0%BB%D0%B0%D0%B2_%D0%9B%D0%B5%D1%88%D1%9A%D0%B5%D0%B2%D1%81%D0%BA%D0%B8"
    title: "Станислав Лешњевски"
    type:  "WIKIPEDIA"
  - url: "https://an.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%B3%D8%AA%D8%A7%D9%86%D9%8A%D8%B3%D9%84%D8%A7%D9%81_%D9%84%D9%8A%D9%86%D9%8A%D9%81%D8%B3%D9%83%D9%89"
    title: "ستانيسلاف لينيفسكى"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D8%A7%D8%B3%D8%AA%D8%A7%D9%86%DB%8C%D8%B3%D9%84%D8%A7%D9%88_%D9%84%DB%8C%D8%B3%DB%8C%D9%86%D8%B3%DA%A9%DB%8C"
    title: "استانیسلاو لیسینسکی"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%A3%CF%84%CE%B1%CE%BD%CE%AF%CF%83%CE%BF%CF%85%CE%B1%CF%86_%CE%9B%CE%B5%CF%83%CE%BD%CE%B9%CE%AD%CF%86%CF%83%CE%BA%CE%B9"
    title: "Στανίσουαφ Λεσνιέφσκι"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Stanislaw_Le%C5%9Bniewski"
    title: "Stanislaw Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B9%E3%82%BF%E3%83%8B%E3%82%B9%E3%83%AF%E3%83%95%E3%83%BB%E3%83%AC%E3%82%B7%E3%83%8B%E3%82%A7%E3%83%95%E3%82%B9%E3%82%AD"
    title: "スタニスワフ・レシニェフスキ"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%8A%A4%ED%83%80%EB%8B%88%EC%8A%A4%EC%99%80%ED%94%84_%EB%A0%88%EC%8B%9C%EB%8B%88%EC%97%90%ED%94%84%EC%8A%A4%ED%82%A4"
    title: "스타니스와프 레시니에프스키"
    type:  "WIKIPEDIA"
  - url: "https://lt.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski"
    title: "Stanisław Leśniewski"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9B%D0%B5%D1%81%D1%8C%D0%BD%D0%B5%D0%B2%D1%81%D0%BA%D0%B8%D0%B9%2C_%D0%A1%D1%82%D0%B0%D0%BD%D0%B8%D1%81%D0%BB%D0%B0%D0%B2"
    title: "Лесьневский, Станислав"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Stanis%C5%82aw_Le%C5%9Bniewski_(filozof)"
    title: "Stanisław Leśniewski (filozof)"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q528493"
    title: "Wikidata"
    type:  "WIKIDATA"

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