Superstring Theory 25th Anniversary Edition

Katrin Becker is a Professor of Physics at Texas A & M University. She has been awarded the Radcliffe Fellowship from Harvard University in 2006 and received the Alfred Sloan Fellowship in 2003.Melanie Becker is a Professor of Physics at Texas A & M University. In 2006 she has been awarded an Edward, Frances and Shirley B. Daniels Fellowship from the Radcliffe Fellowship for Advanced studies at Harvard University. In 2001 she received the Alfred Sloan Fellowship.John Schwarz is Harold Brown Professor of Theoretical Physics at the California Institute of Technology. He is a MacArthur Fellow and member of the National Academy of Sciences.