The Nobel Prize in Physics 2002
Raymond Davis Jr., Masatoshi Koshiba, Riccardo Giacconi
Born: 6 October 1931, Genoa, Italy
Affiliation at the time of the award: Associated Universities Inc., Washington, DC, USA
Prize motivation: "for pioneering contributions to astrophysics, which have led to the discovery of cosmic X-ray sources"
Prize share: 1/2