Harold Lyons

American physicist; developer of the first atomic clock
Person human Q106956598
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Harold Lyons

Summary

Harold Lyons is a human[1]. He was born in Buffalo[2]. He was born on +1913-02-16T00:00:00Z[3]. He passed away in Los Angeles[4]. He died on +1998-03-23T00:00:00Z[5]. He worked as a physicist[6] and inventor[7].

Key Facts

  • Harold Lyons was born in Buffalo[2].
  • Harold Lyons died in Los Angeles[4].
  • Harold Lyons was born on +1913-02-16T00:00:00Z[3].
  • Harold Lyons died on +1998-03-23T00:00:00Z[5].
  • Harold Lyons held citizenship in United States[8].
  • Harold Lyons's professions included physicist[6].
  • Harold Lyons's professions included inventor[7].
  • Among Harold Lyons's employers was National Institute of Standards and Technology[9].
  • Among Harold Lyons's employers was Hughes Aircraft Company[10].
  • Among Harold Lyons's employers was HRL Laboratories[11].
  • Harold Lyons was employed by United States Naval Research Laboratory[12].
  • Harold Lyons's education included a stint at University of Michigan[13].
  • Harold Lyons was educated at University at Buffalo[14].
  • Harold Lyons's doctoral advisor was Ora S. Duffendack[15].
  • Harold Lyons is recorded as male[16].
  • Harold Lyons's instance of is recorded as human[17].
  • Harold Lyons's archives at is recorded as National Museum of American History[18].
  • Harold Lyons's family name is recorded as Lyons[19].
  • Harold Lyons's given name is recorded as Harold[20].
  • Harold Lyons's work location is recorded as Washington, D.C.[21].
  • Harold Lyons's work location is recorded as Culver City[22].
  • Harold Lyons's work location is recorded as Boulder[23].
  • Harold Lyons's Online PWN Encyclopedia ID is recorded as 3934724[24].

Body

Origins and Family

Harold Lyons was born in Buffalo[2]. He was born on +1913-02-16T00:00:00Z[3].

Education

Educated at University of Michigan[13], a public research university[25], in United States[26], founded in 1817[27], headquartered in Ann Arbor[28] and University at Buffalo[14], a public research university[29], in United States[30], founded in 1846[31], headquartered in Amherst[32]. Harold Lyons's doctoral advisor was Ora S. Duffendack[15].

Career and Affiliations

Recorded occupations include physicist[6] and inventor[7]. Employers include National Institute of Standards and Technology[9], a research institute[33], in United States[34], founded in 1901[35], headquartered in Gaithersburg[36]; Hughes Aircraft Company[10], an aerospace manufacturer[37], in United States[38], founded in 1932[39], headquartered in Culver City[40]; HRL Laboratories[11], a geographical feature[41], in United States[42], founded in 1960[43], headquartered in Malibu[44]; and United States Naval Research Laboratory[12], a research institute[45], in United States[46], founded in 1923[47], headquartered in Washington, D.C.[48].

Death and Burial

Harold Lyons died on +1998-03-23T00:00:00Z[5]. He died in Los Angeles[4].

FAQs

Where was Harold Lyons born?

Harold Lyons's place of birth was Buffalo[2].

Where did Harold Lyons die?

Harold Lyons passed away in Los Angeles[4].

What did Harold Lyons do for work?

Harold Lyons worked as physicist[6] and inventor[7].

Where did Harold Lyons go to school?

Harold Lyons was educated at University of Michigan[13] and University at Buffalo[14].

References

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

Direct Wikidata claims

  1. [2] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  2. [4] . sova.si.edu. Retrieved . sova.si.edu. Provenance: wikidata.org.
  3. [16] . wikidata.org.
  4. [8] . wikidata.org.
  5. [17] . wikidata.org.
  6. [13] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  7. [14] . sova.si.edu. Retrieved . sova.si.edu. Provenance: wikidata.org.
  8. [6] . wikidata.org.
  9. [7] . wikidata.org.
  10. [9] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  11. [10] . wikidata.org.
  12. [11] . wikidata.org.
  13. [12] . michiganphysics.com. Retrieved . michiganphysics.com. Provenance: wikidata.org.
  14. [15] . michiganphysics.com. Retrieved . michiganphysics.com. Provenance: wikidata.org.
  15. [18] . wikidata.org.
  16. [3] . sova.si.edu. Retrieved . sova.si.edu. Provenance: wikidata.org.
  17. [5] . sova.si.edu. Retrieved . sova.si.edu. Provenance: wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . wikidata.org.
  20. [21] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  21. [22] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  22. [23] . A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967. wikidata.org.
  23. [24] . wikidata.org.

Inline context (facts about related entities)

  1. [25] . Wikidata. wikidata.org. → on this site
  2. [26] . Wikidata. wikidata.org. → on this site
  3. [27] . Wikidata. wikidata.org. → on this site
  4. [28] . Wikidata. wikidata.org. → on this site
  5. [29] . Wikidata. wikidata.org. → on this site
  6. [30] . Wikidata. wikidata.org. → on this site
  7. [31] . Wikidata. wikidata.org. → on this site
  8. [32] . Wikidata. wikidata.org. → on this site
  9. [33] . Wikidata. wikidata.org. → on this site
  10. [34] . Wikidata. wikidata.org. → on this site
  11. [35] . Wikidata. wikidata.org. → on this site
  12. [36] . Wikidata. wikidata.org. → on this site
  13. [37] . Wikidata. wikidata.org. → on this site
  14. [38] . Wikidata. wikidata.org. → on this site
  15. [39] . Wikidata. wikidata.org. → on this site
  16. [40] . Wikidata. wikidata.org. → on this site
  17. [41] . Wikidata. wikidata.org. → on this site
  18. [42] . Wikidata. wikidata.org. → on this site
  19. [43] . Wikidata. wikidata.org. → on this site
  20. [44] . Wikidata. wikidata.org. → on this site
  21. [45] . Wikidata. wikidata.org. → on this site
  22. [46] . Wikidata. wikidata.org. → on this site
  23. [47] . Wikidata. wikidata.org. → on this site
  24. [48] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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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). Harold Lyons. Retrieved May 3, 2026, from https://4ort.xyz/entity/harold-lyons
MLA “Harold Lyons.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/harold-lyons.
BibTeX @misc{4ortxyz_harold-lyons_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Harold Lyons}}, year = {2026}, url = {https://4ort.xyz/entity/harold-lyons}, note = {Accessed: 2026-05-03}}
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