Example image of eyePlorer eyePlorer map for 'G. Stanley Hall': 1844 1924 April 24 February 1 Psychologist Teacher United States American Psychological Association Clark University Ashfield, Massachusetts Massachusetts Union Theological Seminary in the City of New York Williams College Harvard University Leipzig Wilhelm Wundt William James Antioch College English language Johns Hopkins University Adolescence Education Educational psychology Carl Jung Sigmund Freud Charles Darwin Ernst Haeckel Evolution Recapitulation theory Subjectivity Eugenics Race (classification of human beings) Sturm und Drang Jean Piaget Lev Vygotsky John Dewey Knismesis and gargalesis Tickling Max Planck Institute for the History of Science New International Encyclopedia Virtual Laboratory Leonora Piper American Journal of Psychology Edmund Clark Sanford Psychological Review Pedology (children study) List of Clark University people Adolescent psychology Mary Cover Jones Only child