Ralph Hartley

American electronics researcher and information theorist (1888–1970)
Person human Q529886
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Ralph Hartley

Summary

Ralph Hartley is a human[1]. His place of birth was Sprucemont[2]. He was born on +1888-11-30T00:00:00Z[3]. He passed away in Summit[4]. He died on +1970-05-01T00:00:00Z[5]. He worked as a computer scientist[6] and inventor[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (47 views/month, #7,259 of 1,000,298).[8]

Key Facts

  • Born in Sprucemont[2], Ralph Hartley…
  • Ralph Hartley died in Summit[4].
  • Ralph Hartley died in New Jersey[9].
  • Ralph Hartley was born on +1888-11-30T00:00:00Z[3].
  • Ralph Hartley died on +1970-05-01T00:00:00Z[5].
  • Ralph Hartley held citizenship in United States[10].
  • Ralph Hartley worked as a computer scientist[6].
  • Ralph Hartley worked as an inventor[7].
  • Ralph Hartley's field of work was electrical engineering[11].
  • Ralph Hartley was employed by University of Nevada, Reno[12].
  • Ralph Hartley was employed by Western Electric[13].
  • Among Ralph Hartley's employers was Bell Labs[14].
  • Ralph Hartley was educated at University of Utah[15].
  • Ralph Hartley was educated at St John's College[16].
  • Ralph Hartley was educated at St John's College[17].
  • Ralph Hartley received the IEEE Medal of Honor[18].
  • Ralph Hartley received the Fellow of the American Association for the Advancement of Science[19].
  • Ralph Hartley received the Rhodes Scholarship[20].
  • Ralph Hartley's image is recorded as Hartley ralph-vinton-lyon-001.jpg[21].
  • Ralph Hartley is recorded as male[22].
  • Ralph Hartley's instance of is recorded as human[23].
  • Ralph Hartley's archives at is recorded as Niels Bohr Library & Archives[24].
  • Ralph Hartley's Freebase ID is recorded as /m/0196k8[25].
  • Ralph Hartley's family name is recorded as Hartley[26].
  • Ralph Hartley's given name is recorded as Ralph[27].

Body

Origins and Family

Ralph Hartley was born in Sprucemont[2]. He was born on +1888-11-30T00:00:00Z[3].

Education

Educated at University of Utah[15], a public research university[28], in United States[29], founded in 1850[30] and St John's College[16], a college of the University of Oxford[31], in United Kingdom[32], founded in 1555[33], headquartered in Oxford[34].

Career and Affiliations

Recorded occupations include computer scientist[6] and inventor[7]. Ralph Hartley's field of work was electrical engineering[11]. Employers include University of Nevada, Reno[12], a public research university[35], in United States[36], founded in 1874[37], headquartered in Reno[38]; Western Electric[13], a business[39], in United States[40], founded in 1869[41], headquartered in New York City[42]; and Bell Labs[14], a privately held company[43], in United States[44], founded in 1925[45], headquartered in Murray Hill[46].

Recognition

Awards received include IEEE Medal of Honor[18], a science award[47], founded in 1917[48]; Fellow of the American Association for the Advancement of Science[19], a fellowship award[49], in United States[50], founded in 1874[51]; and Rhodes Scholarship[20], a scholarship[52], in United Kingdom[53], founded in 1902[54].

Death and Burial

Ralph Hartley died on +1970-05-01T00:00:00Z[5]. Recorded place of death include Summit[4], a city in New Jersey[55], in United States[56], founded in 1710[57] and New Jersey[9], an U.S. state[58], in United States[59], founded in 1787[60].

Works and Contributions

Things named for Ralph Hartley include Shannon–Hartley theorem[61], a theorem[62]; Hartley oscillator[63], an electronic oscillator[64]; hartley[65], a logarithmic unit[66]; and Hartley transform[67], an integral transform[68].

Why It Matters

Ralph Hartley ranks in the top 0.73% of human entities by monthly Wikipedia readership (47 views/month, #7,259 of 1,000,298).[8] He has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[69] He is known by 16 alternative names across languages and contexts.[70]

He has been cited as an influence by Claude Shannon[71], a mathematician[72], 1916–2001[73], of United States[74], awarded the Stuart Ballantine Medal[75], specialised in probability theory[76].

He is credited with the discovery of Hartley oscillator[77], an electronic oscillator[78]. Entities named for him include Shannon–Hartley theorem[61], a theorem[62]; Hartley oscillator[63], an electronic oscillator[64]; hartley[65], a logarithmic unit[66]; and Hartley transform[67], an integral transform[68].

FAQs

Where was Ralph Hartley born?

Ralph Hartley's place of birth was Sprucemont[2].

Where did Ralph Hartley die?

Ralph Hartley died in Summit[4].

What did Ralph Hartley do for work?

Ralph Hartley worked as computer scientist[6] and inventor[7].

Where did Ralph Hartley go to school?

Ralph Hartley was educated at University of Utah[15], St John's College[16], and St John's College[17].

What awards did Ralph Hartley receive?

Honors received include IEEE Medal of Honor[18], Fellow of the American Association for the Advancement of Science[19], and Rhodes Scholarship[20].

Who did Ralph Hartley influence?

Ralph Hartley has been cited as an influence by Claude Shannon[71].

What did Ralph Hartley discover?

Ralph Hartley is credited as discoverer of Hartley oscillator[77].

References

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

Direct Wikidata claims

  1. [21] . wikidata.org.
  2. [2] . wikidata.org.
  3. [4] . wikidata.org.
  4. [9] . wikidata.org.
  5. [22] . wikidata.org.
  6. [10] . wikidata.org.
  7. [23] . wikidata.org.
  8. [15] . Twenty-third Annual Register of the University of Nevada. wikidata.org.
  9. [16] . Twenty-third Annual Register of the University of Nevada. wikidata.org.
  10. [17] . Twenty-third Annual Register of the University of Nevada. wikidata.org.
  11. [11] . wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . wikidata.org.
  14. [12] . Twenty-third Annual Register of the University of Nevada. wikidata.org.
  15. [13] . wikidata.org.
  16. [14] . wikidata.org.
  17. [18] . ieee.org. Retrieved . ieee.org. Provenance: wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . Rhodes Scholar Database. Retrieved . wikidata.org.
  20. [24] . libserv.aip.org. libserv.aip.org. Provenance: wikidata.org.
  21. [3] . Gran Enciclopèdia Catalana. wikidata.org.
  22. [5] . Gran Enciclopèdia Catalana. Retrieved . ethw.org. Provenance: wikidata.org.
  23. [25] . Freebase Data Dumps. wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [71] . wikidata.org. → on this site
  2. [77] . wikidata.org. → on this site
  3. [61] . wikidata.org. → on this site
  4. [63] . wikidata.org. → on this site
  5. [65] . wikidata.org. → on this site
  6. [67] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [55] . Wikidata. wikidata.org. → on this site
  2. [56] . Wikidata. wikidata.org. → on this site
  3. [57] . Wikidata. wikidata.org. → on this site
  4. [58] . Wikidata. wikidata.org. → on this site
  5. [59] . Wikidata. wikidata.org. → on this site
  6. [60] . Wikidata. wikidata.org. → on this site
  7. [28] . Wikidata. wikidata.org. → on this site
  8. [29] . Wikidata. wikidata.org. → on this site
  9. [30] . Wikidata. wikidata.org. → on this site
  10. [31] . Wikidata. wikidata.org. → on this site
  11. [32] . Wikidata. wikidata.org. → on this site
  12. [33] . Wikidata. wikidata.org. → on this site
  13. [34] . Wikidata. wikidata.org. → on this site
  14. [35] . Wikidata. wikidata.org. → on this site
  15. [36] . Wikidata. wikidata.org. → on this site
  16. [37] . Wikidata. wikidata.org. → on this site
  17. [38] . Wikidata. wikidata.org. → on this site
  18. [39] . Wikidata. wikidata.org. → on this site
  19. [40] . Wikidata. wikidata.org. → on this site
  20. [41] . Wikidata. wikidata.org. → on this site
  21. [42] . Wikidata. wikidata.org. → on this site
  22. [43] . Wikidata. wikidata.org. → on this site
  23. [44] . Wikidata. wikidata.org. → on this site
  24. [45] . Wikidata. wikidata.org. → on this site
  25. [46] . Wikidata. wikidata.org. → on this site
  26. [47] . Wikidata. wikidata.org. → on this site
  27. [48] . Wikidata. wikidata.org. → on this site
  28. [49] . Wikidata. wikidata.org. → on this site
  29. [50] . Wikidata. wikidata.org. → on this site
  30. [51] . Wikidata. wikidata.org. → on this site
  31. [52] . Wikidata. wikidata.org. → on this site
  32. [53] . Wikidata. wikidata.org. → on this site
  33. [54] . Wikidata. wikidata.org. → on this site
  34. [72] . Wikidata. wikidata.org. → on this site
  35. [73] . Wikidata. wikidata.org. → on this site
  36. [74] . Wikidata. wikidata.org. → on this site
  37. [75] . Wikidata. wikidata.org. → on this site
  38. [76] . Wikidata. wikidata.org. → on this site
  39. [78] . Wikidata. wikidata.org. → on this site
  40. [62] . Wikidata. wikidata.org. → on this site
  41. [64] . Wikidata. wikidata.org. → on this site
  42. [66] . Wikidata. wikidata.org. → on this site
  43. [68] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [69] . Wikidata sitelinks. wikidata.org.
  3. [70] . 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). Ralph Hartley. Retrieved March 11, 2026, from https://4ort.xyz/entity/ralph-hartley
MLA “Ralph Hartley.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Mar. 2026, https://4ort.xyz/entity/ralph-hartley.
BibTeX @misc{4ortxyz_ralph-hartley_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ralph Hartley}}, year = {2026}, url = {https://4ort.xyz/entity/ralph-hartley}, note = {Accessed: 2026-03-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ralph Hartley — https://4ort.xyz/entity/ralph-hartley (retrieved 2026-03-11)

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