David Keith, Harvard School of Engineering and Applied Sciences (image) Harvard University Share Print E-Mail Caption David Keith, is Gordon McKay Professor of Applied Physics at Harvard School of Engineering and Applied Sciences and Professor of Public Policy at Harvard Kennedy School. Credit Photo by Eliza Grinnell, SEAS Communications. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.