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Rudolf F. Haffenreffer

American businessman and philanthropist
Person human Q7377179
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Rudolf F. Haffenreffer

Summary

Rudolf F. Haffenreffer is a human[1]. He was born on +1902-00-00T00:00:00Z[2]. He died on +1991-00-00T00:00:00Z[3]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,298 of 1,000,298).[4]

Key Facts

  • Rudolf F. Haffenreffer was born on +1902-00-00T00:00:00Z[2].
  • Rudolf F. Haffenreffer died on +1991-00-00T00:00:00Z[3].
  • Rudolf F. Haffenreffer held citizenship in United States[5].
  • Rudolf F. Haffenreffer is recorded as male[6].
  • Rudolf F. Haffenreffer's instance of is recorded as human[7].
  • Rudolf F. Haffenreffer's Freebase ID is recorded as /m/0cwhh9[8].
  • Rudolf F. Haffenreffer's given name is recorded as Rudolf[9].
  • Rudolf F. Haffenreffer's Prabook ID is recorded as 1897680[10].

Body

Origins and Family

Rudolf F. Haffenreffer was born on +1902-00-00T00:00:00Z[2].

Death and Burial

Rudolf F. Haffenreffer died on +1991-00-00T00:00:00Z[3].

Why It Matters

Rudolf F. Haffenreffer ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,298 of 1,000,298).[4]

References

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

Direct Wikidata claims

  1. [6] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [2] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [4] ↑ . Wikimedia Foundation. dumps.wikimedia.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). Rudolf F. Haffenreffer. Retrieved May 3, 2026, from https://4ort.xyz/entity/rudolf-f-haffenreffer
MLA “Rudolf F. Haffenreffer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rudolf-f-haffenreffer.
BibTeX @misc{4ortxyz_rudolf-f-haffenreffer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Rudolf F. Haffenreffer}}, year = {2026}, url = {https://4ort.xyz/entity/rudolf-f-haffenreffer}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Rudolf F. Haffenreffer — https://4ort.xyz/entity/rudolf-f-haffenreffer (retrieved 2026-05-03)

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