In what year was the physicist who introduced the 't Hooft operator born?
Gerard 't Hooft Gerardus (Gerard) 't Hooft (] ; born July 5, 1946) is a Dutch theoretical physicist and professor at Utrecht University, the Netherlands. He shared the 1999 Nobel Prize in Physics with his thesis advisor Martinus J. G. Veltman "for elucidating the quantum structure of electroweak interactions".
Peter Higgs Peter Ware Higgs (born 29 May 1929) is a British theoretical physicist, emeritus professor at the University of Edinburgh, and Nobel Prize laureate for his work on the mass of subatomic particles.