August William Hutaf (page 12)

Gustav Kirchhoff, Robert Bunsen and Henry Roscoe, scientists, c1860 Unknown

Sigmund Freud, Stanley Hall, Carl Gustav Jung, Abraham A. Brill, Ernest Jones, Sandor Ferenczi in front of Clark University, 1909 Anonymous

Emma Bovary walking with a companion from 'Madame Bovary' by Gustave Flaubert Alfred Paul Marie (after) Richemont

Emperor Penguin Protecting Offspring from the Cold Anonymous