Michael H. Hart

American astronomer
Person human Q937063
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Summary

Michael H. Hart is a human[1]. His place of birth was New York City[2]. He was born on April 28, 1932[3]. He worked as a physicist[4], astronomer[5], astrophysicist[6], writer[7], and historian[8]. He has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[9]

Key Facts

  • Michael H. Hart was born in New York City[2].
  • Michael H. Hart was born on April 28, 1932[3].
  • Michael H. Hart's father was Harold Hart[10].
  • Michael H. Hart's mother was Caroline Horowitz[11].
  • Michael H. Hart held citizenship in United States[12].
  • Michael H. Hart worked as a physicist[4].
  • Michael H. Hart worked as an astronomer[5].
  • Michael H. Hart worked as an astrophysicist[6].
  • Michael H. Hart's professions included writer[7].
  • Michael H. Hart worked as a historian[8].
  • Michael H. Hart's professions included political activist[13].
  • Michael H. Hart's field of work was astrophysics[14].
  • Michael H. Hart's field of work was astronomy[15].
  • Michael H. Hart's field of work was physics[16].
  • Michael H. Hart's field of work was astrobiology[17].
  • Michael H. Hart's field of work was sociology of race and ethnic relations[18].
  • Michael H. Hart's field of work was race and intelligence[19].
  • Michael H. Hart was employed by University of Maryland[20].
  • Among Michael H. Hart's employers was California Institute of Technology[21].
  • Among Michael H. Hart's employers was Trinity University[22].
  • Michael H. Hart was employed by Anne Arundel Community College[23].
  • Michael H. Hart's education included a stint at New York University[24].
  • Michael H. Hart's education included a stint at Adelphi University[25].
  • Michael H. Hart was a member of American Astronomical Society[26].
  • Michael H. Hart was a member of National Aeronautics and Space Administration[27].

Body

Origins and Family

Michael H. Hart's place of birth was New York City[2]. He was born on April 28, 1932[3]. His father was Harold Hart[10]. His mother was Caroline Horowitz[11].

Education

Educated at New York University[24], a private university[28], in United States[29], founded in 1831[30], headquartered in New York City[31] and Adelphi University[25], a university[32], in United States[33], founded in 1896[34]. Michael H. Hart earned the academic degree of Doctor[35].

Career and Affiliations

Recorded occupations include physicist[4], astronomer[5], astrophysicist[6], writer[7], historian[8], and political activist[13]. Fields of work include astrophysics[14], a branch of astronomy[36]; astronomy[15], a branch of science[37]; physics[16], a branch of science[38]; astrobiology[17], a branch of biology[39]; sociology of race and ethnic relations[18], a branch of sociology[40]; and race and intelligence[19]. Employers include University of Maryland[20], a public research university[41], in United States[42], founded in 1858[43], headquartered in College Park[44]; California Institute of Technology[21], a university[45], in United States[46], founded in 1891[47], headquartered in California[48]; Trinity University[22], a university[49], in United States[50], founded in 1869[51]; and Anne Arundel Community College[23], a community college[52], in United States[53], founded in 1961[54].

Works and Contributions

Things named for Michael H. Hart include Hart–Tipler conjecture[55], a solution[56].

Why It Matters

Michael H. Hart has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[9] He is known by 3 alternative names across languages and contexts.[57]

Works attributed to him include The 100: A Ranking of the Most Influential Persons in History[58], a written work[59]. Entities named for him include Hart–Tipler conjecture[55], a solution[56].

FAQs

Where was Michael H. Hart born?

Born in New York City[2].

Who were Michael H. Hart's parents?

Michael H. Hart's father was Harold Hart[10]. Michael H. Hart's mother was Caroline Horowitz[11].

What did Michael H. Hart do for work?

Michael H. Hart worked as physicist[4], astronomer[5], astrophysicist[6], writer[7], and historian[8].

Where did Michael H. Hart go to school?

Michael H. Hart was educated at New York University[24] and Adelphi University[25].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [10] ↑ . wikidata.org.
  3. [11] ↑ . wikidata.org.
  4. [12] ↑ . wikidata.org.
  5. [24] ↑ . wikidata.org.
  6. [25] ↑ . wikidata.org.
  7. [14] ↑ . wikidata.org.
  8. [15] ↑ . wikidata.org.
  9. [16] ↑ . wikidata.org.
  10. [17] ↑ . wikidata.org.
  11. [18] ↑ . wikidata.org.
  12. [19] ↑ . wikidata.org.
  13. [4] ↑ . wikidata.org.
  14. [5] ↑ . wikidata.org.
  15. [6] ↑ . wikidata.org.
  16. [7] ↑ . wikidata.org.
  17. [8] ↑ . wikidata.org.
  18. [13] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [26] ↑ . wikidata.org.
  24. [27] ↑ . wikidata.org.
  25. [35] ↑ . wikidata.org.
  26. [3] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [58] ↑ . wikidata.org. → on this site
  2. [55] ↑ . wikidata.org. → on this site

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. [36] ↑ . Wikidata. wikidata.org. → on this site
  9. [37] ↑ . Wikidata. wikidata.org. → on this site
  10. [38] ↑ . Wikidata. wikidata.org. → on this site
  11. [39] ↑ . Wikidata. wikidata.org. → on this site
  12. [40] ↑ . Wikidata. wikidata.org. → on this site
  13. [41] ↑ . Wikidata. wikidata.org. → on this site
  14. [42] ↑ . Wikidata. wikidata.org. → on this site
  15. [43] ↑ . Wikidata. wikidata.org. → on this site
  16. [44] ↑ . Wikidata. wikidata.org. → on this site
  17. [45] ↑ . Wikidata. wikidata.org. → on this site
  18. [46] ↑ . Wikidata. wikidata.org. → on this site
  19. [47] ↑ . Wikidata. wikidata.org. → on this site
  20. [48] ↑ . Wikidata. wikidata.org. → on this site
  21. [49] ↑ . Wikidata. wikidata.org. → on this site
  22. [50] ↑ . Wikidata. wikidata.org. → on this site
  23. [51] ↑ . Wikidata. wikidata.org. → on this site
  24. [52] ↑ . Wikidata. wikidata.org. → on this site
  25. [53] ↑ . Wikidata. wikidata.org. → on this site
  26. [54] ↑ . Wikidata. wikidata.org. → on this site
  27. [59] ↑ . Wikidata. wikidata.org. → on this site
  28. [56] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [9] ↑ . Wikidata sitelinks. wikidata.org.
  2. [57] ↑ . Wikidata aliases. 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). Michael H. Hart. Retrieved October 14, 2026, from https://4ort.xyz/entity/michael-h-hart
MLA “Michael H. Hart.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/michael-h-hart.
BibTeX @misc{4ortxyz_michael-h-hart_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Michael H. Hart}}, year = {2026}, url = {https://4ort.xyz/entity/michael-h-hart}, note = {Accessed: 2026-10-14}}
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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. 18w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → p0046404-Hart-Michael-H-1932
    "/* wbcreateclaim-create:1| */ Svkkl authority id: p0046404-Hart-Michael-H-1932, [[:toollabs:quickstatements/#/batch/259497|batch #259497]]"
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