Esther ThelenEsther Thelen (May 20, 1941 – December 29, 2004) was an expert in the field of developmental psychology. Thelen's research was focused on human development, especially in the area of infant development.
Thelen was also president of the Society for Research in Child Development and the International Society for Infant Studies. She was a Fellow of the American Association for the Advancement of Science and American Psychological Society. Provided by Wikipedia