Louise Bates Ames

Louise Bates Ames was an American child psychologist renowned for her groundbreaking research asserting that child development occurs in distinct, predictable phases. She co-founded the Gesell Institute of Child Development and authored or co-authored over three dozen books, including the popular 'Your X-Year-Old' series for parents. Her work emphasized normal developmental steps and educated parents on the biological approach to child growth.

Portland, Maine, USA Oct 29, 1908 Wikipedia
Child Psychology Parenting Developmental Psychology