HUARTE DE SAN JUAN or HUARTE Y NAVARRO, JUAN (c. , Spanish physician and psychologist, was born at Saint-Jean-Pied-de-Port (Lower Navarre) and studied medicine at the university of Huesca, during the plague which devastated Baeza in 1566. His Examen de ingenios pare las ciencias one of the first attempts to show the connection between psy chology and physiology, won him a European reputation, and was translated by Lessing.