Dr. Yoji Totsuka was born March 6, 1942 in Fuji, Shizuoka Prefecture.
He received his Bachelor of Science degree in 1965, his Master of Science degree in 1967 and his Doctor of Science degree in 1972 from the University of Tokyo.
He became a Research Associate of the University of Tokyo in 1972. After this position, Dr. Totsuka became an Associate Professor (1979-87), of the University of Tokyo, Professor of the University of Tokyo (1987-present), Director of the Kamioka Observatory, the Institute for Cosmic Ray Research (ICRR), the University of Tokyo (1995-present), Director of the Institute for Cosmic Ray Research (ICRR), the University of Tokyo (1997-present).
His main work has involved study of ultra-high-energy interactions in nuclear emulsions (1965-1966), study of muon bundles observed underground (1967-1972), study of e+e-collisions at DORIS, DESY (1972-1976), study of e+e-collisions at PETRA, DESY (1977-1980), search for proton decay and study of supernova-, solar- and atmospheric-neutrinos with Kamiokande-I, -II and -III (1981-1995) and study of astrophysical neutrinos and search for proton decay with Super-Kamiokande (1991-present).
Dr. Totsuka has received many notable awards, such as the Asahi Prize (1987), Nishina Prize (1988), Rossi Prize, American Astronomical Society, (1989), Inoue Prize (1990), EPS Special Prize, European Physical Society (1995).
He also belongs to the following society:
Japanese Physical Society
Japanese Astronomical Society
American Physical Society