Developmental psychologist and philosopher Jean Piaget 9 August 1896 (+) is born in Neuchâtel, Switzerland. 16 September 1980 (-) dies of unknown causes in Genève, Switzerland. |
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More info on Wikipedia |
Developmental psychologist and philosopher Jean Piaget 9 August 1896 (+) is born in Neuchâtel, Switzerland. 16 September 1980 (-) dies of unknown causes in Genève, Switzerland. |
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More info on Wikipedia |