Steven Chu

Steven Chu is an American physicist, Nobel laureate, and the 12th United States Secretary of Energy. He is currently the William R. Kenan, Jr., Professor of Physics and Professor of Molecular and Cellular Physiology at Stanford University. He is known for his research at the University of California, Berkeley and his research at Bell Laboratories and Stanford University regarding the cooling and trapping of atoms with laser light, for which he shared the 1997 Nobel Prize in Physics with Claude Cohen-Tannoudji and William Daniel Phillips.