Arnold Gesell
Gesell
Arnold Lucius Gesell
G. Stanley Hall
Hall
Granville Stanley Hall
Jean Piaget
Piaget
Spock
Benjamin Spock
Alfred Binet
Binet
Edward Lee Thorndike
Thorndike
Edward Thorndike
psychologist
Klein
Melanie Klein
Peabody
Elizabeth Peabody
Elizabeth Palmer Peabody
Herbert A. Simon
Herbert Alexander Simon
Herb Simon
Simon
Maria Montesorri
Montessori
Maria Montessori
prepsychological
Cattell
James McKeen Cattell
Watson
John B. Watson
John Broadus Watson
Sullivan
William Graham Sumner
Karen Danielsen Horney
psychoclinician
Karen Horney
brahmin
William James
Harry Stack Sullivan
Sumner
Horney
James
Ernst Heinrich Weber
Weber
E. H. Weber
Willis
Georges Gilles de la Tourette