Rheta DeVries

Rheta Goolsby DeVries (1 September 1936, Arkansas – 28 May 2012, Little Rock, Arkansas) was a professor at University of Northern Iowa's Regent's Center For Early Developmental Education, where she also served as director. She co-wrote many books along with Constance Kamii, concerning early childhood education curriculum that both influenced the field of early childhood mathematical instruction and accelerated the proliferation of constructivist-based teaching in the classroom. Provided by Wikipedia