Dr. Ahmed Zewail is the Linus Pauling Chair professor of chemistry and professor of physics at the California Institute of Technology (Caltech), and is the Director of the Moore Foundation’s Center for Physical Biology at Caltech. He received his early education in Egypt and completed a Ph.D. from the University of Pennsylvania and a postdoctoral (IBM) fellowship at the University of California, Berkeley, before joining the faculty at Caltech. On April 27, 2009, President Barack Obama appointed him to the President’s Council of Advisors on Science and Technology (PCAST), and in November of the same year, he was named the first United States Science Envoy to the Middle East. In 1999, Dr. Zewail was awarded the Nobel Prize for his pioneering developments in femtoscience,