Gerardus "Gerard" 't Hooft is a Dutch theoretical physicist and professor emeritus 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." The Nobel Prize in Physics 1999, announced October 12, 1999. Gerardus 't Hooft and Martinus J.G. Veltman, “for elucidating the quantum structure of electroweak interactions in physics”. Gerardus 't Hooft: born 1946, Den Helder, the Netherlands. Martinus J.G. Veltman: born 1931, Waalwijk, the Netherlands. Wiki link Wiki link Data: the Nobel Foundation (CC0).