. . . . . . "1954Z"^^ . . "Peruvian theoretical physicist" . . . . "Barton Zwiebach (born October 4, 1954) is a string theorist and professor at the Massachusetts Institute of Technology, born in Lima, Per\u00FA. His undergraduate work was in Electrical Engineering at the Universidad Nacional de Ingenier\u00EDa in Peru, from which he graduated in 1977.His graduate work was in physics at the California Institute of Technology. Zwiebach obtained his Ph.D. in 1983, working under the supervision of Murray Gell-Mann."@en . "Zwiebach, Barton"@en . . "1954-10-04Z"^^ . "Barton Zwiebach"@en . . . . .