Theo Holm

Danish-American botanist (1854–1932)
Person human Q7781460
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Theo Holm

Summary

Theo Holm is a human[1]. Born in Copenhagen[2], he… he was born on +1854-02-03T00:00:00Z[3]. He died in Washington, D.C.[4]. He died on +1932-12-26T00:00:00Z[5]. He worked as a botanist[6], scientific illustrator[7], botanical collector[8], and scientific collector[9]. He is known by 30 alternative names across languages and contexts.[10]

Key Facts

  • Born in Copenhagen[2], Theo Holm…
  • Theo Holm died in Washington, D.C.[4].
  • Theo Holm was born on +1854-02-03T00:00:00Z[3].
  • Theo Holm was born on +1854-01-01T00:00:00Z[11].
  • Theo Holm died on +1932-12-26T00:00:00Z[5].
  • Theo Holm died on +1932-01-01T00:00:00Z[12].
  • Theo Holm held citizenship in United States[13].
  • Theo Holm worked as a botanist[6].
  • Theo Holm worked as a scientific illustrator[7].
  • Theo Holm worked as a botanical collector[8].
  • Theo Holm's professions included scientific collector[9].
  • Theo Holm was employed by The Catholic University of America[14].
  • Among Theo Holm's employers was National Museum of Natural History[15].
  • Among Theo Holm's employers was United States Department of Agriculture[16].
  • Among Theo Holm's employers was Smithsonian Institution[17].
  • Theo Holm was educated at The Catholic University of America[18].
  • Theo Holm's education included a stint at University of Copenhagen[19].
  • Theo Holm's religion is recorded as Lutheranism[20].
  • Theo Holm is recorded as male[21].
  • Theo Holm's instance of is recorded as human[22].
  • Theo Holm's ISNI is recorded as 0000000080132142[23].
  • Theo Holm's VIAF cluster ID is recorded as 120984781[24].
  • Theo Holm's GND ID is recorded as 141399376[25].
  • Theo Holm's Library of Congress authority ID is recorded as no2015127744[26].
  • Theo Holm's IdRef ID is recorded as 145030091[27].

Body

Origins and Family

Theo Holm was born in Copenhagen[2]. Recorded date of birth include +1854-02-03T00:00:00Z[3] and +1854-01-01T00:00:00Z[11].

Education

Educated at The Catholic University of America[18], a Catholic university[28], in United States[29], founded in 1887[30] and University of Copenhagen[19], a public research university[31], in Denmark[32], founded in 1479[33].

Career and Affiliations

Recorded occupations include botanist[6], scientific illustrator[7], botanical collector[8], and scientific collector[9]. Employers include The Catholic University of America[14], a Catholic university[34], in United States[35], founded in 1887[36]; National Museum of Natural History[15], a natural history museum[37], in United States[38], founded in 1910[39]; United States Department of Agriculture[16], a ministry of agriculture[40], in United States[41], founded in 1862[42], headquartered in Washington, D.C.[43]; and Smithsonian Institution[17], an institution[44], in United States[45], founded in 1846[46], headquartered in Washington, D.C.[47].

Personal Life

Theo Holm's religion is recorded as Lutheranism[20].

Death and Burial

Recorded date of death include +1932-12-26T00:00:00Z[5] and +1932-01-01T00:00:00Z[12]. Theo Holm passed away in Washington, D.C.[4].

Why It Matters

Theo Holm is known by 30 alternative names across languages and contexts.[10]

FAQs

Where was Theo Holm born?

Theo Holm's place of birth was Copenhagen[2].

Where did Theo Holm die?

Theo Holm passed away in Washington, D.C.[4].

What did Theo Holm do for work?

Theo Holm worked as botanist[6], scientific illustrator[7], botanical collector[8], and scientific collector[9].

Where did Theo Holm go to school?

Theo Holm was educated at The Catholic University of America[18] and University of Copenhagen[19].

References

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

Direct Wikidata claims

  1. [2] ↑ . Retrieved . wikidata.org.
  2. [4] ↑ . Retrieved . wikidata.org.
  3. [21] ↑ . wikidata.org.
  4. [13] ↑ . wikidata.org.
  5. [22] ↑ . International Plant Names Index. wikidata.org.
  6. [18] ↑ . wikidata.org.
  7. [19] ↑ . wikidata.org.
  8. [6] ↑ . wikidata.org.
  9. [7] ↑ . wikidata.org.
  10. [8] ↑ . Bionomia. wikidata.org.
  11. [9] ↑ . Bionomia. wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . Retrieved . wikidata.org.
  14. [16] ↑ . Retrieved . wikidata.org.
  15. [17] ↑ . Retrieved . wikidata.org.
  16. [20] ↑ . wikidata.org.
  17. [23] ↑ . International Standard Name Identifier. wikidata.org.
  18. [24] ↑ . wikidata.org.
  19. [25] ↑ . wikidata.org.
  20. [26] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  21. [27] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  22. [3] ↑ . SNAC. Retrieved . wikidata.org.
  23. [11] ↑ . Alvin. Retrieved . uni-stuttgart.de. Provenance: wikidata.org.
  24. [5] ↑ . SNAC. Retrieved . wikidata.org.
  25. [12] ↑ . Alvin. Retrieved . uni-stuttgart.de. Provenance: 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
  11. [38] ↑ . Wikidata. wikidata.org. → on this site
  12. [39] ↑ . Wikidata. wikidata.org. → on this site
  13. [40] ↑ . Wikidata. wikidata.org. → on this site
  14. [41] ↑ . Wikidata. wikidata.org. → on this site
  15. [42] ↑ . Wikidata. wikidata.org. → on this site
  16. [43] ↑ . Wikidata. wikidata.org. → on this site
  17. [44] ↑ . Wikidata. wikidata.org. → on this site
  18. [45] ↑ . Wikidata. wikidata.org. → on this site
  19. [46] ↑ . Wikidata. wikidata.org. → on this site
  20. [47] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [10] ↑ . 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). Theo Holm. Retrieved October 8, 2026, from https://4ort.xyz/entity/theo-holm
MLA “Theo Holm.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Oct. 2026, https://4ort.xyz/entity/theo-holm.
BibTeX @misc{4ortxyz_theo-holm_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Theo Holm}}, year = {2026}, url = {https://4ort.xyz/entity/theo-holm}, note = {Accessed: 2026-10-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Theo Holm — https://4ort.xyz/entity/theo-holm (retrieved 2026-10-08)

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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. 23w ago · MariuszRokin · 2026-04-30 view diff on Wikidata ↗
    Educated at → The Catholic University of America, University of Copenhagen
    Place of death → Washington, D.C.
    Collection items at → Herbarium, Missouri Botanical Garden, National Museum of Natural History, Zürich Herbaria
    Prabook id → 1103738
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P3368]]: 1103738, [[:toollabs:quickstatements/#/batch/257026|batch #257026]]"
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