Professor M. Vidyasagar’s 70th birthday and upcoming retirement were celebrated in a workshop entitled “Emerging Applications of Control and Systems Theory” organized by the University of Texas at Dallas. I had the honor and pleasure of making a presentation entitled “Grid Integration of Renewable Energy and Distributed Control” at this workshop and have posted slides in the Presentations section of this website. Sometime in early 2018, Springer will publish a book containing papers from this workshop. I had the privilege of writing a tribute to him as a Preface to this book. So watch for the book in early 2018 and read the tribute …