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Born in Neuchatel, Switzerland
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Paper was on a rare part-albino sparrow which led him to his famous career
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He published his first few articles on mollusks at age 15. One got him a job at Geneva's natural history museum which he turned down to further his education
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Degree was for research on mollusks. He also participated in doctoral training from 1918-1919
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studies included abnormal pysc, logic, epestimology, and language development in children
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with Théodore Simon which led him to his question how do children learn?
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he was the director of research, assistant director, and co-director at the Jean Jacques Rousseau Institute, and later part of Geneva University.
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later had 3 children after 1925 named Jacqueline, Lucienne and Laurent.
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at Geneva University
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At Geneva
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with help from the funds from the Rockefeller Foundation.
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the sensorimotor stage, preoperational stage, concrete operational stage and the formal operation stage.
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