Burton Richter at DOEs SLAC

Sam Ting and team at DOE's Brookhaven

1974 The discovery of charm, the fourth quark in the Standard Model, occurred simultaneously on the West Coast, at DOEs SLAC, using the MARK I detector, (above left) and on the East Coast, at DOEs Brookhaven Laboratory. Physicist Burton Richter, (top right), led the SLAC team, and Sam Ting led the Brookhaven group, (bottom right).