Prism was formed in 1975 by Akira Wada, Ken Watanabe, Katsutoshi Morizono, Koki Ito and Toru Suzuki.
As of July 2007, Prism is composed of Jiro Okada (bass guitar), Mansaku Kimura (drums) and Akira Wada (electric guitar) with Kenichiro Shinzawa (keyboards) as "support" [REF].