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Karl Groos

German psychologist and philosopher (1861-1946)

  • Fame44.5
  • Momentum0.0
  • Wikipedia400
Lived 1861–1946, aged 85Germany
Germany flagGermanyAcademicsAcademic
  • Wikipedia
    15 languages
    Cross-language footprint
  • Era
    1861–1946
    Aged 85
Summary
Updated 2026-06-18

Karl Groos was a German philosopher and psychologist who proposed an evolutionary instrumentalist theory of play. His 1898 book on The Play of Animals suggested that play is a preparation for later life.

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Fame
Stable
44.5
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical12.9
Source confidence60.0
Completeness55.0
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