It is with great pleasure that I offer my reflections on Professor Anthony N. Michel's retirement from the University of Notre Dame. I have known Tony since 1984 when he joined the University of Notre Dame's faculty as Chair of the Depart- ment of Electrical Engineering. Tony has had a long and outstanding career. As a researcher, he has made im- portant contributions in several areas of systems theory and control theory, espe- cially stability analysis...