Jean Piaget

By earthtoelle

  • Date of Birth

    He was born in Neuchatel, Switzerland

  • Published first scientific paper

    At age 11, while he was a pupil at Neuchâtel Latin high school, he wrote a short notice on an albino sparrow.

  • Marriage

    Jean Piaget marries Valentine Chatenay in Geneva.

  • It's a Girl!

    Piaget's first child is born.

  • It's another Girl!

    Second daughter is born

  • It's a Boy!

    His first son is born

  • Chairman of Sociology at Geneva

    Sociology at Geneva from 1939 to 1952.

  • Director

    Became director of International Center for Epistemology in Geneva.

  • Intellectual Development

    Defined the four stages of intellectual development.

  • Death

    Piaget Dies at the age of 84.