# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/karl-martin
# Generated: 2026-08-14T17:55:48.231Z

schema: https://schema.org/Person
url: "https://fame.am/person/karl-martin"
name: "Karl Martin"
slug: "karl-martin"
description: "Johann Karl Ludwig Martin was a German geologist. He was professor in geology at Leiden University from 1877 to 1922. From 1880 to 1922 he also was director of the Geological Museum of Leiden. As a scientist he is known for his paleontological and stratigraphical research on the Cenozoic fauna of the Dutch East Indies, especially on mollusks."
tagline: "Dutch geologist (1851-1942)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Portret_van_Johann_Karl_Ludwig_Martin%2C_hoogleraar_Geologie%2C_mineralogie%2C_kristallografie_en_paleontologie_te_Leiden_Icones_307.tiff?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1851-11-24"
deathDate: "1942-11-14"
livingStatus: "DECEASED"
scores:
  popularity:           39
  momentum:             1
  historical:           8.937221333333333
  currentAttention:     0
  sourceConfidence:     54.99999999999999
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sv.wikipedia.org/wiki/Karl_Martin"
    title: "Karl Martin"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%83%D8%A7%D8%B1%D9%84_%D9%85%D8%A7%D8%B1%D8%AA%D9%86_(%D8%A3%D8%B3%D8%AA%D8%A7%D8%B0_%D8%AC%D8%A7%D9%85%D8%B9%D9%8A)"
    title: "كارل مارتن (أستاذ جامعي)"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%8A%D9%88%D9%87%D8%A7%D9%86_%D9%83%D8%A7%D8%B1%D9%84_%D9%84%D9%88%D8%AF%D9%81%D9%8A%D8%AC_%D9%85%D8%A7%D8%B1%D8%AA%D9%86"
    title: "يوهان كارل لودفيج مارتن"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Karl_Martin_(Geologe)"
    title: "Karl Martin (Geologe)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Karl_Martin"
    title: "Karl Martin"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Karl_Martin"
    title: "Karl Martin"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%BC%E3%83%AB%E3%83%BB%E3%83%9E%E3%83%AB%E3%83%86%E3%82%A3%E3%83%B3"
    title: "カール・マルティン"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Karl_Martin"
    title: "Karl Martin"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D1%80%D1%82%D0%B8%D0%BD%2C_%D0%9A%D0%B0%D1%80%D0%BB"
    title: "Мартин, Карл"
    type:  "WIKIPEDIA"
  - url: "https://species.wikipedia.org/wiki/Johann_Karl_Ludwig_Martin"
    title: "Johann Karl Ludwig Martin"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q72782"
    title: "Wikidata"
    type:  "WIKIDATA"

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