Tsutomu Koyama (小山 勉, Koyama Tsutomu) (July 26, 1936 – July 2, 2012) was a Japanese volleyball player. He was a member…Tsutomu Koyama (小山 勉, Koyama Tsutomu) (July 26, 1936 – July 2, 2012) was a Japanese volleyball player. He was a member of the Men's National Volleyball Team that claimed the bronze medal at the 1964 Summer Olympics in Tokyo, Japan. He later served as the head coach of the Men's National Team. Koyama died on July 2, 2012, of esophageal cancer, aged 75.
Hirofumi Daimatsu (大松 博文, Daimatsu Hirofumi; 12 February 1921 – 24 November 1978) was a Japanese volleyball coach and a…Hirofumi Daimatsu (大松 博文, Daimatsu Hirofumi; 12 February 1921 – 24 November 1978) was a Japanese volleyball coach and a Japanese politician. He led Oriental Witches, nickname of "Nichibo Kaizuka", a factory volleyball team of Dai Nippon Spinning Co., Ltd. (later, Nichibo, thereafter, Unitika) in Kaizuka, Osaka given by the reports of European media when they achieved 24 consecutive victories against other national teams on the expedition to Europe, to world champion.