Giovanni Da LegnanoGIOVANNI DA LEGNANO (1320-1383) was born in Legnano, Italy, and was educated at the University of Bologna where he became a professor of canon law. A friend to Pope Urban V and Gregory XI, he also defended Pope Urban VI in the Western Schism. Compare to Aristotle by his contemporaries, Legnano's philosophy and writing have become the foundation of international law. Read More Read Less