Nobel Prize winner Mr. Kajita
Press Conference at Foreign Correspondents' Club of Japan
Winner of the 2015 Nobel Prize in Physics Takaaki Kajita, hold conference in Foreign Correspondent Club of Japan in Tokyo. He won the price for leading a team that determined ephemeral particles called neutrinos have mass. Discovery had a weighty impact on what is called the Standard Model of physics, the theory that describes all known subatomic particles and their interactions. (Photo by Martin Hladik/AFLO)