# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/derrick-norman-lehmer
# Generated: 2026-08-15T02:40:17.973Z

schema: https://schema.org/Person
url: "https://fame.am/person/derrick-norman-lehmer"
name: "Derrick Norman Lehmer"
slug: "derrick-norman-lehmer"
description: "Derrick Norman Lehmer was an American mathematician and number theorist."
tagline: "American mathematician (1867–1938)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Derrick_Norman_Lehmer.jpg?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: "1867-07-27"
deathDate: "1938-09-08"
livingStatus: "DECEASED"
scores:
  popularity:           39.1
  momentum:             0
  historical:           8.938085333333333
  currentAttention:     0
  sourceConfidence:     54.99999999999999
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://ru.wikipedia.org/wiki/%D0%9B%D0%B5%D0%BC%D0%B5%D1%80%2C_%D0%94%D0%B5%D1%80%D1%80%D0%B8%D0%BA_%D0%9D%D0%BE%D1%80%D0%BC%D0%B0%D0%BD"
    title: "Лемер, Деррик Норман"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AF%D9%8A%D8%B1%D9%8A%D9%83_%D9%86%D9%88%D8%B1%D9%85%D8%A7%D9%86_%D9%84%D9%8A%D9%87%D9%85%D8%B1"
    title: "ديريك نورمان ليهمر"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Derrick_Norman_Lehmer"
    title: "Derrick Norman Lehmer"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1403868"
    title: "Wikidata"
    type:  "WIKIDATA"

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