John Clauser delivered his Nobel Prize lecture on 8 December 2022 at the Aula Magna, Stockholm University. He was introduced by Professor Anders Irbäck, Chair of the Nobel Committee for Physics. The Nobel Prize in Physics 2022 was awarded jointly to Alain Aspect, John F. Clauser and Anton Zeilinger 'for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science'.