<p>This essay traces the history of normality’s development through a photographic research program that itself began with a critique of that very concept. In the 1920s, a group of child development researchers around the psychologist and physician Arnold Gesell constru...

International audience

AbstractWhile it is well known that Plutarch’s De facie in orbe lunae was a major source of inspiration for Galileo’s Sidereus nuncius, its influence on his Dialogo sopra i due massimi sistemi del ...