About Saul Perlmutter
Saul Perlmutter is a professor of astrophysics UC Berkeley Physics Department in 2004. He is also an astrophysicist at Lawrence Berkeley National Laboratory and leader of the international Supernova Cosmology Project, which first announced the results indicating that the expansion of the universe was accelerating. In 1996, he received the American Astronomical Society's Henri Chretien Award. Perlmutter has also written popular articles for Sky and Telescope magazine and has appeared in recent Public Broadcasting System and BBC documentaries on astronomy and cosmology. Professor Perlmutter, who led one of two teams that simultaneously discovered the accelerating expansion of the universe, was awarded the 2011 Nobel Prize in Physics, which he shares with two members of the rival team.