Hans Reiser

American computer programmer, entrepreneur, and convicted murderer
Person Human Q92652

Facts

24 properties
Instance of
human
Sex or gender
male[9]
Date of birth
December 19, 1963
Place of birth
Oakland
Country of citizenship
United States[5]
Spouse
Nina Reiser (1999–2004)
Birth date
1963-12-19
Citizenship
United States
Birth name
Hans Thomas Reiser[13]
Birth place
Oakland
Convicted of
second-degree murder
Different from
Hans Reiser[15]
Family name
Reiser[10]
Given name
Hans[11]
Library of congress authority id
no2011032615
Name in native language
Hans Reiser[14]
Notable names database id
132/000124757
Place of detention
Mule Creek State Prison, Salinas Valley State Prison, Pleasant Valley State Prison, San Quentin Rehabilitation Center, Correctional Training Facility
Significant event
murder of Nina Reiser[12]
Viaf id
169079057
🏷️ Also known as
en Hans T. Reiser en Hans Reiser en Hans Thomas Reiser ar هانس ريزر da Hans Thomas Reiser de Hans Thomas Reiser de Hans T. Reiser fi Hans Thomas Reiser fr Hans Thomas Reiser fr Hans T. Reiser ja ハンス・ライザー ko 한스 라이저 pt Hans Thomas Reiser ru Ханс Райзэр ru Ганс Райзэр ru Hans Reiser ru Ганс Райзер ru Ганс Рейзер ru Райзер, Ганс ru Райзер, Ханс
🔖 Identifiers · 8
VIAF cluster ID
169079057
Library of Congress Authorities ID
no2011032615
Image (Wikimedia Commons)
Hans Reiser 2005.jpg ↗
DBLP author ID
87/5708
FAST ID
1928503
Freebase ID
/m/01z7p8
NNDB people ID
132/000124757
WorldCat Entities ID
E39PBJx8BPdGjk36Hh6wgftBT3

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🔗 Connections
Occupation 3
Employer 2
Named after 2
Place of birth 2
Country of citizenship 1
Different from 1
Educated at 1
Founded entities 1
Given name 1
Instance of 1
Sex or gender 1
← Developer 1
← Different from 1
← Discoverer or inventor 1
← FactGrid item ID 1
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Hans Reiser, a programmer and computer scientist, was born on December 19, 1963, in Oakland. He holds United States citizenship. Hans Reiser was married to Nina Reiser from 1999 to 2004[1].

Body

Career and Affiliations

Employers include Synopsys[6], a business[16], in United States[17], founded in 1986[18], headquartered in Mountain View[19] and IBM Research[7], a laboratory[20], in United States[21], founded in 1945[22].

Works and Contributions

Things named for Hans Reiser include ReiserFS[23], a journaling file system[24] and Reiser4[25], a file system[26], founded in 2004[27].

Why It Matters

He is credited with the discovery of dancing tree[28], a tree[29]. Entities named for him include ReiserFS[23], a journaling file system[24] and Reiser4[25], a file system[26], founded in 2004[27].

FAQs

Where was Hans Reiser born?

Born in Oakland[1].

What did Hans Reiser do for work?

Hans Reiser worked as programmer[3] and computer scientist[4].

Where did Hans Reiser go to school?

Hans Reiser was educated at University of California, Berkeley[8].

What did Hans Reiser discover?

Hans Reiser is credited as discoverer of dancing tree[28].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [9] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [4] ↑ . wikidata.org.
  7. [6] ↑ . wikidata.org.
  8. [7] ↑ . wikidata.org.
  9. [2] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . Retrieved . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] ↑ . wikidata.org. → on this site
  2. [23] ↑ . wikidata.org. → on this site
  3. [25] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [16] ↑ . Wikidata. wikidata.org. → on this site
  2. [17] ↑ . Wikidata. wikidata.org. → on this site
  3. [18] ↑ . Wikidata. wikidata.org. → on this site
  4. [19] ↑ . Wikidata. wikidata.org. → on this site
  5. [20] ↑ . Wikidata. wikidata.org. → on this site
  6. [21] ↑ . Wikidata. wikidata.org. → on this site
  7. [22] ↑ . Wikidata. wikidata.org. → on this site
  8. [29] ↑ . Wikidata. wikidata.org. → on this site
  9. [24] ↑ . Wikidata. wikidata.org. → on this site
  10. [26] ↑ . Wikidata. wikidata.org. → on this site
  11. [27] ↑ . Wikidata. wikidata.org. → on this site

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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). Hans Reiser. Retrieved November 8, 2026, from https://4ort.xyz/entity/hans-reiser
MLA “Hans Reiser.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/hans-reiser.
BibTeX @misc{4ortxyz_hans-reiser_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hans Reiser}}, year = {2026}, url = {https://4ort.xyz/entity/hans-reiser}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hans Reiser — https://4ort.xyz/entity/hans-reiser (retrieved 2026-11-08)

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