Burton Richter (March 22, 1931 – July 18, 2018) was an American physicist. He was a Nobel Prize winner. He led the Stanford Linear Accelerator Center (SLAC) team. He co-discovered the J/ψ meson in 1974. This discovery was part of the so-called November Revolution of particle physics. He was the SLAC director from 1984 to 1999.