Donald A Calahan
type: Person
description: Ph.D. University of Illinois at Urbana-Champaign 1960
birth date: 1935-01-01
alumni of: University of Illinois Urbana–Champaign
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confidence:
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citations:
  retrieved: 2023-02-10
citations:
  source: Virtual International Authority File
  stated in qid: Q54919
  retrieved: 2023-03-26
citations:
  source: Personal Authority Wikibase of the Czech Republic
  stated in qid: Q106982540
  retrieved: 2021-04-30
citations:
  source: Mathematics Genealogy Project
  stated in qid: Q829984
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-27T02:46:36.641678Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T13:51:59.678526+00:00Z