▁aspect ▁of ▁quantum ▁field ▁theory ▁that ▁cons iders ▁all ▁quantum ▁field ▁theories ▁as ▁effective ▁field ▁theories ▁and ▁changed ▁the ▁view point ▁of ▁previous ▁work ▁( including ▁his ▁own ▁in ▁his ▁ 1 9 6 7 ▁paper ) ▁that ▁a ▁sensible ▁quantum ▁field ▁theory ▁must ▁be ▁ren ormal izable . ▁This ▁approach ▁allowed ▁the ▁development ▁of ▁effective ▁theory ▁of ▁quantum ▁gravity , ▁low ▁energy ▁Q CD , ▁heavy ▁qu ark ▁effective ▁field ▁theory ▁and ▁other ▁develop ments , ▁and ▁it ▁is ▁a ▁topic ▁of ▁considerable ▁interest ▁in ▁current ▁research . ▁ ▁In ▁ 1 9 7 9 , ▁some ▁six ▁years ▁after ▁the ▁experimental ▁discovery ▁of ▁the ▁neutral ▁curr ents ▁– ▁i . e . ▁the ▁discovery ▁of ▁the ▁infer red ▁existence ▁of ▁the ▁Z ▁bos on ▁– ▁but ▁following ▁the ▁ 1 9 7 8 ▁experimental ▁discovery ▁of ▁the ▁theory ' s ▁predicted ▁amount ▁of ▁par ity ▁viol ation ▁due ▁to ▁Z ▁bos ons ' ▁mixing ▁with ▁elect romagnet ic ▁interactions , ▁Wein berg ▁was ▁awarded ▁the ▁Nobel ▁Prize ▁in ▁Physics , ▁together ▁with ▁Sh eld on ▁Gl ash ow , ▁and ▁Abd us ▁Sal am ▁who ▁had ▁independently ▁proposed ▁a ▁theory ▁of ▁electro weak ▁un ification ▁based ▁on ▁sp ont aneous ▁symmetry ▁breaking . ▁ ▁In ▁ 1 9 8 2 ▁Wein berg ▁moved ▁to ▁the ▁University ▁of ▁Texas ▁at ▁Austin ▁as ▁the ▁Jack ▁S . ▁Jose y - Wel ch ▁Foundation ▁Reg ents ▁Chair ▁in ▁Science ▁and ▁founded ▁the ▁Theory ▁Group ▁of ▁the ▁Physics ▁Department . ▁ ▁There ▁is ▁current ▁(