Research/Areas of Interest:

Cognitive development; developmental theory; creativity; intellectual development; developmental transitions; expertise; extreme giftedness and creativity; educational and developmental theory.


  • PhD, Child Development, Stanford University, United States, 1969
  • EdM, Human Development, Harvard University, United States, 1966
  • MA, Social Studies Education, Stanford University, United States, 1965
  • BA, History, University of Rochester, United States, 1964


Current Projects: The growth and development of cultural knowledge domains, studies in cultural genetic epistemology. Studies of child prodigies and savants.