Yoji Totsuka former head of the SuperKamiokande experiment and outstanding contributor to advances in neutrino physics died on 10 July. Totsuka who was also former director general of Japan's high energy physics organization, KEK, visited ICTP in 1996 as guest lecturer at the Trieste Conference on Quarks and Leptons: Masses and Mixings and in 1998 at the Summer School in High Energy Physics and Cosmology and Conference on Phenomenology in High Energy Physics.