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Image courtesy of CERN, the European Laboratory for Particle Physics.
quark:
One of a theoretical group of subatomic particles, each having an electric charge less than that of an electron. The concept of quarks was put forth by American physicists Murray Gell-Mann and Richard Feynman, who also suggested the name. Gell-Mann received the Nobel Prize for physics in 1969. Feynman was awarded the Nobel Prize for physics in 1965.
