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Karl Groos
German psychologist and philosopher (1861-1946) · Germany · On the map · Academics · Died at 84
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.
Karl Groos is read about 12 times a day, in 15 languages.
A typical day, 30 days to 16 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
Country
Germany
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1861 to 1946 · aged 84
