Leonard Hofstadter

fictional character in The Big Bang Theory
Person fictional_human Q512382
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Leonard Hofstadter was born on May 17, 1980 . He is a person whose life details are limited to this single documented fact . No additional information about his background, achievements, or activities is provided . His full name and birth date remain the only verified details available .

Leonard Hofstadter

Summary

Leonard Hofstadter is a fictional human[1]. He was born on March 17, 1980[2]. He worked as an experimental physicist[3]. He ranks in the top 6% of fictional_human entities by monthly Wikipedia readership (1,577 views/month).[4]

Key Facts

  • Leonard Hofstadter was born on March 17, 1980[2].
  • Leonard Hofstadter's father was Alfred Hofstadter[5].
  • Leonard Hofstadter's mother was Beverly Hofstadter[6].
  • Leonard Hofstadter was married to Penny[7].
  • Leonard Hofstadter held citizenship in United States[8].
  • Leonard Hofstadter's professions included experimental physicist[3].
  • Leonard Hofstadter was educated at Princeton University[9].
  • Leonard Hofstadter is the creator of Chuck Lorre[10].
  • Leonard Hofstadter is the creator of Bill Prady[11].
  • Leonard Hofstadter is recorded as male[12].
  • Leonard Hofstadter's instance of is recorded as fictional human[13].
  • Leonard Hofstadter's instance of is recorded as television character[14].
  • Sheldon Leonard is named after Leonard Hofstadter[15].
  • Douglas Hofstadter is named after Leonard Hofstadter[16].
  • Among the performers on Leonard Hofstadter was Johnny Galecki[17].
  • Leonard Hofstadter's unmarried partner is recorded as Q139618978[18].
  • Leonard Hofstadter's residence is recorded as Pasadena[19].
  • Leonard Hofstadter's family name is recorded as Hofstadter[20].
  • Leonard Hofstadter's given name is recorded as Leonard[21].
  • Leonard Hofstadter's given name is recorded as Leakey[22].
  • Leonard Hofstadter's languages spoken, written or signed is recorded as English[23].
  • Leonard Hofstadter's languages spoken, written or signed is recorded as Klingon[24].
  • Leonard Hofstadter's present in work is recorded as The Big Bang Theory[25].
  • Leonard Hofstadter's name in native language is recorded as {'lang': 'en', 'text': 'Leonard Hofstadter'}[26].
  • Leonard Hofstadter's different from is recorded as Lennard Hofstede[27].

Body

Origins and Family

Leonard Hofstadter was born on March 17, 1980[2]. His father was Alfred Hofstadter[5]. His mother was Beverly Hofstadter[6].

Education

Leonard Hofstadter was educated at Princeton University[9].

Career and Affiliations

Leonard Hofstadter worked as an experimental physicist[3].

Works and Contributions

Created works include Chuck Lorre[10], a dramaturge[28], b. 1952[29], of United States[30], awarded the David Angell Humanitarian Award[31], specialised in film[32] and Bill Prady[11], a screenwriter[33], b. 1960[34], of United States[35], awarded the Exceptional Public Achievement Medal[36], specialised in film screenwriting[37].

Personal Life

Among Leonard Hofstadter's spouses was Penny[7].

Why It Matters

Leonard Hofstadter ranks in the top 6% of fictional_human entities by monthly Wikipedia readership (1,577 views/month).[4] He has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[38] He is known by 21 alternative names across languages and contexts.[39]

FAQs

Who were Leonard Hofstadter's parents?

Leonard Hofstadter's father was Alfred Hofstadter[5]. Leonard Hofstadter's mother was Beverly Hofstadter[6].

Who was Leonard Hofstadter married to?

Leonard Hofstadter's spouses include Penny[7].

What did Leonard Hofstadter do for work?

Leonard Hofstadter worked as experimental physicist[3].

Where did Leonard Hofstadter go to school?

Leonard Hofstadter was educated at Princeton University[9].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [12] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [13] ↑ . wikidata.org.
  7. [14] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [3] ↑ . wikidata.org.
  10. [15] ↑ . The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series. wikidata.org.
  11. [16] ↑ . The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series. wikidata.org.
  12. [10] ↑ . wikidata.org.
  13. [11] ↑ . wikidata.org.
  14. [17] ↑ . wikidata.org.
  15. [18] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [2] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . Fandom. Retrieved . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site
  4. [31] ↑ . Wikidata. wikidata.org. → on this site
  5. [32] ↑ . Wikidata. wikidata.org. → on this site
  6. [33] ↑ . Wikidata. wikidata.org. → on this site
  7. [34] ↑ . Wikidata. wikidata.org. → on this site
  8. [35] ↑ . Wikidata. wikidata.org. → on this site
  9. [36] ↑ . Wikidata. wikidata.org. → on this site
  10. [37] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [4] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [38] ↑ . Wikidata sitelinks. wikidata.org.
  3. [39] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Leonard Hofstadter. Retrieved October 5, 2026, from https://4ort.xyz/entity/leonard-hofstadter
MLA “Leonard Hofstadter.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Oct. 2026, https://4ort.xyz/entity/leonard-hofstadter.
BibTeX @misc{4ortxyz_leonard-hofstadter_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Leonard Hofstadter}}, year = {2026}, url = {https://4ort.xyz/entity/leonard-hofstadter}, note = {Accessed: 2026-10-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Leonard Hofstadter — https://4ort.xyz/entity/leonard-hofstadter (retrieved 2026-10-05)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7h ago · ~2026-53680-47 · 2026-10-05 view diff on Wikidata ↗
    Wikipedia languages → ['ar', 'ca', 'cs', 'de', 'en', 'es', 'fa', 'fr', 'he', 'hu', 'it', 'la', 'mk', '
    Date of birth → +1980-03-17T00:00:00Z
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ [[Property:P569]]: 17 March 1980"
  2. 7w ago · Yirba · 2026-08-13 view diff on Wikidata ↗
    P14750 → F4F4-DAF1-8928-1EE0-A3D6
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/47158|batch #47158]]: HAND ID (11)"
  3. 22w ago · Harmonica · 2026-05-02 view diff on Wikidata ↗
    Instance of → —
    Performer → Johnny Galecki
    Unmarried partner → Q139618978
    Mother → Beverly Hofstadter
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P451]]: [[Q139618978]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.