Nergis Mavalvala, Dean of the Massachusetts Institute of Technology (MIT) School of Science and Curtis and Kathleen Marble Professor of Astrophysics, will present the Chester Peterson, Jr. Public Lecture in Physics on Monday, September 23 at 4:30 p.m. in 103 Cardwell Hall. This lecture, “Gravitational Waves: A New Window to the Universe” will be presented at a non-technical level for a general audience.