# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/carl-anton-bretschneider
# Generated: 2026-08-15T11:13:23.345Z

schema: https://schema.org/Person
url: "https://fame.am/person/carl-anton-bretschneider"
name: "Carl Anton Bretschneider"
slug: "carl-anton-bretschneider"
description: "Carl Anton Bretschneider was a mathematician from Gotha, Germany. Bretschneider worked in geometry, number theory, and history of geometry. He also worked on logarithmic integrals and mathematical tables. He was one of the first mathematicians to use the symbol  for Euler's constant when he published his 1837 paper. He is best known for his discovery of Bretschneider's formula for the area of a general quadrilateral on a plane,"
tagline: "Mathematician"
image: "https://upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Cuadril%C3%A1tero_06.svg/330px-Cuadril%C3%A1tero_06.svg.png"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1808-05-27"
deathDate: "1878-11-06"
livingStatus: "DECEASED"
scores:
  popularity:           41.83
  momentum:             1.851851851851852
  historical:           8.941397333333333
  currentAttention:     0
  sourceConfidence:     54.99999999999999
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://ru.wikipedia.org/wiki/%D0%91%D1%80%D0%B5%D1%82%D1%88%D0%BD%D0%B0%D0%B9%D0%B4%D0%B5%D1%80%2C_%D0%9A%D0%B0%D1%80%D0%BB_%D0%90%D0%BD%D1%82%D0%BE%D0%BD"
    title: "Бретшнайдер, Карл Антон"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%83%D8%A7%D8%B1%D9%84_%D8%A7%D9%86%D8%B7%D9%88%D9%86_%D8%A8%D8%B1%D9%8A%D8%AA%D8%B4%D9%86%D9%8A%D8%AF%D8%B1"
    title: "كارل انطون بريتشنيدر"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%BC%E3%83%AB%E3%83%BB%E3%82%A2%E3%83%B3%E3%83%88%E3%83%B3%E3%83%BB%E3%83%96%E3%83%AC%E3%83%BC%E3%83%88%E3%82%B7%E3%83%A5%E3%83%8A%E3%82%A4%E3%83%80%E3%83%BC"
    title: "カール・アントン・ブレートシュナイダー"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%B9%B4%EB%A5%BC_%EC%95%88%ED%86%A4_%EB%B8%8C%EB%A0%88%EC%B9%98%EB%82%98%EC%9D%B4%EB%8D%94"
    title: "카를 안톤 브레치나이더"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://ro.wikipedia.org/wiki/Carl_Anton_Bretschneider"
    title: "Carl Anton Bretschneider"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q215867"
    title: "Wikidata"
    type:  "WIKIDATA"

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