Stefano Keller

Swiss Esperantist
Person human Q12355342
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Stefano Keller

Summary

Stefano Keller is a human[1]. He was born on May 27, 1953[2]. He worked as an Esperantist[3] and esperantologist[4]. He is known by 4 alternative names across languages and contexts.[5]

Key Facts

  • Stefano Keller was born on May 27, 1953[2].
  • Stefano Keller held citizenship in Switzerland[6].
  • Hungarian was Stefano Keller's native language[7].
  • Stefano Keller's professions included Esperantist[3].
  • Stefano Keller's professions included esperantologist[4].
  • Stefano Keller is recorded as male[8].
  • Stefano Keller's instance of is recorded as human[9].
  • Stefano Keller's Commons category is recorded as Stefano Keller[10].
  • Stefano Keller's family name is recorded as Keller[11].
  • Stefano Keller's given name is recorded as Stefano[12].
  • Stefano Keller's languages spoken, written or signed is recorded as Esperanto[13].
  • Stefano Keller's languages spoken, written or signed is recorded as Hungarian[14].

Body

Origins and Family

Stefano Keller was born on May 27, 1953[2]. Hungarian was his native language[7].

Career and Affiliations

Recorded occupations include Esperantist[3] and esperantologist[4].

Why It Matters

Stefano Keller is known by 4 alternative names across languages and contexts.[5]

FAQs

What did Stefano Keller do for work?

Stefano Keller worked as Esperantist[3] and esperantologist[4].

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APA 4ort.xyz Knowledge Graph. (2026). Stefano Keller. Retrieved May 3, 2026, from https://4ort.xyz/entity/stefano-keller
MLA “Stefano Keller.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/stefano-keller.
BibTeX @misc{4ortxyz_stefano-keller_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Stefano Keller}}, year = {2026}, url = {https://4ort.xyz/entity/stefano-keller}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Stefano Keller — https://4ort.xyz/entity/stefano-keller (retrieved 2026-05-03)

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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. 6w ago · Epìdosis · 2026-07-22 view diff on Wikidata ↗
    Languages spoken, written or signed Esperanto, Hungarian
    Idref id 255644566
    Family name Keller
    Worldcat entities id E39PBJgCMwXCH3636GD6ydV6Kd
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/43063|batch #43063]]: substitute P887 reference with P227 reference (4)"
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