Professor at the Stanford Linear Accelerator Center (SLAC), USA.
Experimental elementary particle physics: electron-positron annihilation physics, tau lepton physics, searches for new elementary particles and phenomena, small liquid drop technology and applications, interaction of science with government and society.
Awarded the 1995 Nobel Prize in physics "for the discovery of the tau lepton."
Wolf Prize in Physics, 1982. Dr. Sc., University of Chicago, 1990. Fellow, American Physical Society. Member, National Academy of Sciences. Member, CERN Scientific Policy Committee, 1990 - 1993.