The late Hetty van de Rijt received her PhD at Cambridge University as a physical anthropologist. With her husband, Dr. Plooij, she studied infant development in free-living chimpanzees with Dr. Jane Goodall in the Gombe National Park. As a researcher at the University of Amsterdam, she studied the development of human babies in their home environment through direct observations, filming, and in-depth interviews with their parents.
Winner — NAPPA (National Parent Product Award), 2017
Books by Hetty van de Rijt
Xaviera Plooij, Frans X. Plooij, Hetty van de Rijt
6th Edition, Paperback, 2019With nearly four million downloads, The Wonder Weeks app is a must-have for every new parent. The revised and updated book, with exclusive material, is the perfect companion or gift.