We are pleased to have Dr. Robert Kirshner speaking at our October event! Dr. Kirshner is a Harvard College Professor of Astronomy and Clowes Professor of Science at Harvard University. He has authored over 200 research papers dealing with supernovae and observational cosmology. His work with the "High-Z Supernova Team" studying high-redshift supernovae and the acceleration of the universe that implies the existence of dark energy was dubbed the "Science Breakthrough of the Year for 1998" by Science Magazine. For this work, Dr. Kirshner and the High-Z Team were awarded the Gruber Prize for Cosmology in 2007.