Григорий XII
Vergerio was born at Capodistria, Istria, then in the Republic of Venice. He studied rhetoric at Padua, canon law at Florence (1387–89) and at Bologna (1389–90). He is noted for writing to Pope Innocent VII and Pope Gregory XII. Hans Baron writes in "The Crisis of the Early Italian Renaissance", 1966 edition, p.134. "The catastrophe of 1405 ruined Vergerio's career as a humanist". (This refers to Padua losing its independence in 1405)