Historical biography archive · Updated 2026-11-03

Jean Piaget Biography and Timeline

Follow Jean Piaget through 21 dated historical records for Switzerland.

Jean Piaget, historical timeline

A chronological timeline drawn from matching World History Database records.

21Distinct records
1 of 1Page
1921–1971Years on this page

1921

Rouseau Institute

Geneva · Science / Psychology

Appointed Director of Studies at the JJ Rouseau Institute

1924

Judgement and Reasoning in the Child

Science / Psychology

Publication of "The Language & Thought of the Child". Publication of "Judgement & Reasoning in the Child"

The Language and Thought of the Child

Science / Psychology

Publication of "The Language & Thought of the Child". Publication of "Judgement & Reasoning in the Child"

1925

Professor

Professor of Philosophy · Neuchatel · Science / Psychology

Appointed Professor of Philosophy at the University of Neuchatel

1927

The Childs Conception of Causality

Science / Psychology

Publication of "The Childs Conception of Causality"

1929

Director

Director Asst · Geneva · Science / Psychology

Appointed Assistant Director at the JJ Rouseau Institute

1932

Rouseau Institute

Geneva · Science / Psychology

Appointed Co Director at the JJ Rouseau Institute

The Moral Judgement of the Child

Science / Psychology

Publication of "The Moral Judgement of the Child"

Director

Director Co · Geneva · Science / Psychology

Appointed Co Director at the JJ Rouseau Institute

1940

Director

Director · Geneva · Science / Psychology

Appointed Director of the Psychological Laboratory at Geneva

Psychological Laboratory

Director · Geneva · Science / Psychology

Appointed Director of the Psychological Laboratory at Geneva

1952

The Childs Concept of Number

Science / Psychology

Publication of "The Childs Concept of Number"

1953

The Origin of Intelligence in the Child

Science / Psychology

Publication of "The Origin of Intelligence in the Child"

1955

The Childs Construction of Reality

Science / Psychology

Publication of "The Childs Construction of Reality"

Professor

Professor of Child Psychology · Sorbonne · Science / Psychology

Appointed Professor of Child Psychology at the Sorbonne

1956

The Childs Conception of Space

Science / Psychology

Publication of "The Childs Conception of Space"

1963

Play Dream and Imitation in Childhood

Science / Psychology

Publication of "Play Dream & Imitation in Childhood"

1969

The Childs Conception of Time

Science / Psychology

Publication of "The Mechanisms of Perception". Publication of "The Childs Conception of Time"

The Mechanisms of Perception

Science / Psychology

Publication of "The Mechanisms of Perception". Publication of "The Childs Conception of Time"

1971

Biology and Knowledge

Science / Psychology

Publication of "Structuralism". Publication of "Biology & Knowledge"

Structuralism

Science / Psychology

Publication of "Structuralism". Publication of "Biology & Knowledge"

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.