# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/johannes-widmann
# Generated: 2026-08-13T08:52:48.966Z

schema: https://schema.org/Person
url: "https://fame.am/person/johannes-widmann"
name: "Johannes Widmann"
slug: "johannes-widmann"
description: "Johannes Widmann was a German mathematician. The + and - symbols first appeared in print in his book Mercantile Arithmetic or Behende und hüpsche Rechenung auff allen Kauffmanschafft published in Leipzig in 1489 in reference to surpluses and deficits in business problems."
tagline: "German mathematician"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Johannes_Widmann-Mercantile_Arithmetic_1489.jpg?width=1200"
gender: "male"
country:
  name: "Germany"
  isoCode: "DE"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1462"
deathDate: "1505"
livingStatus: "DECEASED"
scores:
  popularity:           47.95
  momentum:             0
  historical:           16.88743866666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://vi.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://als.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%8A%D9%88%D9%87%D8%A7%D9%86%D8%B3_%D9%81%D9%8A%D8%AF%D9%85%D8%A7%D9%86"
    title: "يوهانس فيدمان"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%87%D8%A7%D9%86%D8%B3_%D9%81%D9%8A%D8%AF%D9%85%D8%A7%D9%86"
    title: "جوهانس فيدمان"
    type:  "WIKIPEDIA"
  - url: "https://be.wikipedia.org/wiki/%D0%86%D0%B0%D0%B3%D0%B0%D0%BD_%D0%92%D1%96%D0%B4%D0%BC%D0%B0%D0%BD"
    title: "Іаган Відман"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%99%D0%BE%D1%85%D0%B0%D0%BD%D0%B5%D1%81_%D0%92%D0%B8%D0%B4%D0%BC%D0%B0%D0%BD"
    title: "Йоханес Видман"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Johannes_Widmann_(Mathematiker)"
    title: "Johannes Widmann (Mathematiker)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%A8%E3%83%8F%E3%83%8D%E3%82%B9%E3%83%BB%E3%83%B4%E3%82%A3%E3%83%88%E3%83%9E%E3%83%B3"
    title: "ヨハネス・ヴィトマン"
    type:  "WIKIPEDIA"
  - url: "https://ka.wikipedia.org/wiki/%E1%83%98%E1%83%9D%E1%83%B0%E1%83%90%E1%83%9C%E1%83%94%E1%83%A1_%E1%83%95%E1%83%98%E1%83%93%E1%83%9B%E1%83%90%E1%83%9C%E1%83%98"
    title: "იოჰანეს ვიდმანი"
    type:  "WIKIPEDIA"
  - url: "https://mk.wikipedia.org/wiki/%D0%88%D0%BE%D1%85%D0%B0%D0%BD%D0%B5%D1%81_%D0%92%D0%B8%D0%B4%D0%BC%D0%B0%D0%BD"
    title: "Јоханес Видман"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%92%D0%B8%D0%B4%D0%BC%D0%B0%D0%BD%2C_%D0%98%D0%BE%D0%B3%D0%B0%D0%BD%D0%BD"
    title: "Видман, Иоганн"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Johannes_Widmann"
    title: "Johannes Widmann"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%99%D0%BE%D0%B3%D0%B0%D0%BD%D0%BD_%D0%92%D1%96%D0%B4%D0%BC%D0%B0%D0%BD"
    title: "Йоганн Відман"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q77354"
    title: "Wikidata"
    type:  "WIKIDATA"

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