Murray Gell-Mann
= Murray Gell-Mann
{wiki=Murray_Gell-Mann}
Murray Gell-Mann was an American physicist known for his foundational contributions to particle physics. Born on September 15, 1929, he passed away on May 24, 2019. Gell-Mann is best known for introducing the quark model in the 1960s, which describes the fundamental constituents of protons and neutrons (and hence atomic nuclei) as being made up of quarks.