# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-l-holland
# Generated: 2026-08-14T11:46:43.708Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-l-holland"
name: "John L. Holland"
slug: "john-l-holland"
description: "John Lewis Holland was an American psychologist and professor emeritus of Sociology at Johns Hopkins University. He was the creator of the career development model, Holland Occupational Themes, commonly known as the Holland Codes."
tagline: "American psychologist (1919–2008)"
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: "1919-10-21"
deathDate: "2008-11-27"
livingStatus: "DECEASED"
scores:
  popularity:           46.04
  momentum:             0.4897959183673469
  historical:           9.172645333333334
  currentAttention:     0
  sourceConfidence:     59.99999999999999
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
platforms:
  - platform:  "WEBSITE"
    url:       "http://self-directed-search.com"
sources:
  - url: "https://nl.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%A5%D9%84._%D9%87%D9%88%D9%84%D8%A7%D9%86%D8%AF"
    title: "جون إل. هولاند"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%A7%D9%84._%D9%87%D8%A7%D9%84%D9%86%D8%AF"
    title: "جان ال. هالند"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/John_L._Holland"
    title: "John L. Holland"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%92'%D7%95%D7%9F_%D7%9C._%D7%94%D7%95%D7%9C%D7%A0%D7%93"
    title: "ג'ון ל. הולנד"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BBL%E3%83%BB%E3%83%9B%E3%83%A9%E3%83%B3%E3%83%89"
    title: "ジョン・L・ホランド"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3181892"
    title: "Wikidata"
    type:  "WIKIDATA"

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