Professor Edward Witten is a world-leading theoretical physicist in string theory. Following a Junior Fellowship at Harvard University, he joined the faculty at Princeton University in 1980, before becoming Professor at the Institute for Advanced Study in 1987. Since 1997 he has been the Charles Simonyi Professor at the university. Edward’s scientific interests are primarily in elementary particle physics, quantum field theory, and string theory. His awards include, among others, the Fields Medal (1990), the U.S. National Medal of Science (2003) and he was selected as one of the 100 most influential people in 2004 by TIME magazine.