# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/martin-j-klein
# Generated: 2026-08-14T18:54:35.108Z

schema: https://schema.org/Person
url: "https://fame.am/person/martin-j-klein"
name: "Martin J. Klein"
slug: "martin-j-klein"
description: "Martin Jesse Klein, usually cited as M. J. Klein, was a historian of science who studied 19th- and 20th-century physics."
tagline: "American historian (1924–2009)"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1924-06-25"
deathDate: "2009-03-28"
livingStatus: "DECEASED"
scores:
  popularity:           37.75
  momentum:             1.666666666666667
  historical:           5.670698666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  55
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://de.wikipedia.org/wiki/Martin_J._Klein"
    title: "Martin J. Klein"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D8%AA%D9%86_%D8%AC%D8%A7%D9%8A_%D9%83%D9%84%D8%A7%D9%8A%D9%86"
    title: "مارتن جاي كلاين"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D8%AA%D9%86_%D8%AC%D9%8A%D9%87._%D9%83%D9%84%D8%A7%D9%8A%D9%86"
    title: "مارتن جيه. كلاين"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D0%BB%D0%B5%D0%B9%D0%BD%2C_%D0%9C%D0%B0%D1%80%D1%82%D0%B8%D0%BD_%D0%94%D0%B6%D0%B5%D1%81%D1%81%D0%B8"
    title: "Клейн, Мартин Джесси"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Martin_J._Klein"
    title: "Martin J. Klein"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Martin_J._Klein"
    title: "Martin J. Klein"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q964599"
    title: "Wikidata"
    type:  "WIKIDATA"

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