Sunao Tsuboi
was a Japanese anti-nuclear, anti-war activist, and teacher. He was a hibakusha, a survivor of the atomic bombing of Hiroshima, and was the co-chair of Nihon Hidankyo, a Japan-wide organisation of atomic and hydrogen bomb sufferers. He was awarded the Kiyoshi Tanimoto peace prize in 2011. Early life Born and raised in Hiroshima Prefecture, Tsuboi was interested since childhood in mathematics and science and wished to be an inventor. He was the fourth of five brothers. His two eldest brothers went to war in China and did not return. Atomic bombing of Hiroshima In 1945, he was a student of the Hiroshima City Technical School (present-day, the Hiroshima University School of Engineering). On the morning of August 6, he had just eaten breakfast at a dining hall named "Shima no Kaori" and was invited to have a second breakfast with other students. He declined as he was concerned that the young woman behind the counter would consider him a glutton. When the bomb exploded soon afterwards, he was walking to school and he became badly burned. Everyone in the dining hall was killed. The school was abandoned and catching fire, and he went to an aunt's house nearby. He was