Obituary of Toshiyuki Toyoda

Toshiyuki Toyoda, a Japanese physicist and a Pugwashite, died on 15 May 2009 in Tokyo at the age of 89. He worked for Pugwash as a Council member from 1975 to 1987. He helped Hideki Yukawa and Sin-itiro Tomonaga organizing the 25th Pugwash Symposium “A New Design towards Complete Nuclear Disarmament” and organized the 56th Pugwash Symposium “Peace and Security in the Asia-Pacific Region”. He attended 26 Pugwash meetings in total from the 7th Conference held at Stowe, USA in 1961 to the 45th Annual Conference held at Hiroshima, Japan in 1995.

For many years Toyoda was a member of the Board of Sponsors for Bulletin of the Atomic Scientists. He worked on theoretical nuclear and elementary particle physics. He was Professor Emeritus of Nagoya University. He served as Director of the Peace Research Institute of Meiji Gakuin University, Tokyo.

Toyoda published many articles and books on physics and on issues concerning nuclear weapons including “Criticism on Nuclear Strategy”.

The funeral ceremony will be held in Tokyo on 21 May 2009.