Photo: Sigmund Freud, G. Stanley Hall, C.G. Jung, A.A. Brill, Ernest Jones, and Sándor Ferenczi posed at Clark University, Worcester, Massachusetts in 1909
Photo: Sigmund Freud, G. Stanley Hall, C.G. Jung, A.A. Brill, Ernest Jones, and Sándor Ferenczi posed at Clark University, Worcester, Massachusetts in 1909