Murray Gell-Mann

Murray Gell-Mann was an American theoretical physicist who played a preeminent role in the development of the theory of elementary particles. Gell-Mann introduced the concept of quarks as the fundamental building blocks of the strongly interacting particles, and the renormalization group as a foundational element of quantum field theory and statistical mechanics. He played key roles in developing the concept of chirality in the theory of the weak interactions and spontaneous chiral symmetry breaking in the strong interactions, which controls the physics of the light mesons. In the 1970s he was a co-inventor of quantum chromodynamics (QCD) which explains the confinement of quarks in mesons and baryons and forms a large part of the Standard Model of elementary particles and forces.

15 September 1929

Born on the same birth date (15 September 1929): Dick Latessa • Eva Burrows • John Julius Norwich • Mümtaz Soysal • Stan Kelly-Bootle • Wilbur Snyder

Born on the same birth day (15 September): AD 767 • Alfred D. Chandler Jr. • Josh Richardson • Kelly Keagy • Maggie Reilly • Martina Krupičková • Mary Soames • Richard Gordon (English author) • Sarat Chandra Chattopadhyay

Born in the same month (September 1929): Andriyan Nikolayev • Arnold Palmer • Carol Fenner • Delia Scala • Eva Burrows • Harvey Schmidt • Jamshid bin Abdullah of Zanzibar • Joe Temperley • John Golding (artist and writer) • Larry Collins (writer) • Ronnie Barker • Vassilis Papazachos • Yash Johar