Jean William Fritz Piaget

• 
• Born on August 9, 1896 in Neuchâtel
• Deceased on September 16, 1980 in Geneva, at the age of 84 years

Family

• Married in 1923, with Valentine Madeleine Châtenay (c. 1900 - ), issuing
  • Private
  • Private
  • Private

Occupations

• psychologue
• biologiste