Gerhard Kalckhoff
type: Person
description: German Esperantist
birth date: 1907-08-03
death date: 2003-07-25
birth place: Berlin
death place: Munich
nationality: Germany
has occupation: Esperantist
has occupation: computer scientist
has occupation: lexicographer
knows about: computing
knows about: Esperanto
knows about: lexicography
knows about: informatics
knows language: German
additional property: PropertyValue
  property ID: P19
  value: Berlin
additional property: PropertyValue
  property ID: P20
  value: Munich
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: Germany
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P101
  value: computing
additional property: PropertyValue
  property ID: P101
  value: Esperanto
additional property: PropertyValue
  property ID: P101
  value: lexicography
additional property: PropertyValue
  property ID: P103
  value: German
additional property: PropertyValue
  property ID: P106
  value: Esperantist
additional property: PropertyValue
  property ID: P106
  value: computer scientist
additional property: PropertyValue
  property ID: P106
  value: lexicographer
additional property: PropertyValue
  property ID: P214
  value: 5464787
additional property: PropertyValue
  property ID: P227
  value: 1233493884
additional property: PropertyValue
  property ID: P569
  value: August 3, 1907
additional property: PropertyValue
  property ID: P570
  value: July 25, 2003
additional property: PropertyValue
  property ID: P691
  value: mzk20251269382
additional property: PropertyValue
  property ID: P734
  value: Kalckhoff
additional property: PropertyValue
  property ID: P735
  value: Gerhard
additional property: PropertyValue
  property ID: P1412
  value: Esperanto
additional property: PropertyValue
  property ID: P1412
  value: German
additional property: PropertyValue
  property ID: P10832
  value: E39PBJpDRHtFTmQKq78VD6yDbd
confidence:
  popularity graph score:
    score: 0.001
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 1
      sitelinks norm: 0.002
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 1
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 0
  popularity:
    sitelinks: 1
    max: 423
    pct: 0.2
  tier: long_tail
claims:
  P19:
    value: Q64
    source count: 1
    confidence: 0.2
    value label: Berlin
  P20:
    value: Q1726
    source count: 1
    confidence: 0.2
    value label: Munich
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P27:
    value: Q183
    source count: 0
    confidence: 0.0
    value label: Germany
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P101:
    value: Q179310
    source count: 1
    confidence: 0.2
    value label: computing
  P101:
    value: Q143
    source count: 1
    confidence: 0.2
    value label: Esperanto
  P101:
    value: Q184524
    source count: 1
    confidence: 0.2
    value label: lexicography
  P101:
    value: Q4027615
    source count: 1
    confidence: 0.2
    value label: informatics
  P103:
    value: Q188
    source count: 0
    confidence: 0.0
    value label: German
  P106:
    value: Q860918
    source count: 0
    confidence: 0.0
    value label: Esperantist
  P106:
    value: Q82594
    source count: 1
    confidence: 0.2
    value label: computer scientist
  P106:
    value: Q14972848
    source count: 1
    confidence: 0.2
    value label: lexicographer
  P214:
    value: 5464787
    source count: 0
    confidence: 0.0
  P227:
    value: 1233493884
    source count: 1
    confidence: 0.2
  P569:
    value: +1907-08-03T00:00:00Z
    source count: 0
    confidence: 0.0
  P570:
    value: +2003-07-25T00:00:00Z
    source count: 1
    confidence: 0.2
  P691:
    value: mzk20251269382
    source count: 1
    confidence: 0.2
  P734:
    value: Q124255413
    source count: 0
    confidence: 0.0
    value label: Kalckhoff
  P735:
    value: Q7996169
    source count: 0
    confidence: 0.0
    value label: Gerhard
  P1412:
    value: Q143
    source count: 0
    confidence: 0.0
    value label: Esperanto

value: Q188
source count: 0
confidence: 0.0
value label: German

value: E39PBJpDRHtFTmQKq78VD6yDbd
source count: 1
confidence: 0.2

retrieved: 2023-02-10

source: Czech National Authority Database
stated in qid: Q13550863
retrieved: 2025-08-10

wikidata id: Q12348232
domain: human
level: standard
html url: https://4ort.xyz/entity/gerhard-kalckhoff
markdown url: https://4ort.xyz/entity/gerhard-kalckhoff.md
facts url summary: https://4ort.xyz/entity/gerhard-kalckhoff/facts.json
facts url standard: https://4ort.xyz/entity/gerhard-kalckhoff/facts.json
facts url full: https://4ort.xyz/entity/gerhard-kalckhoff/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-23T09:48:39.932277Z
entity updated at: 2026-03-12T14:13:49.323918+00:00Z
entity created at: 2026-03-04T21:22:51.989185+00:00Z