Tomohiro Nishikado (西角 友宏, Nishikado Tomohiro, born March 31, 1944) is a Japanese video game developer and engineer. He is the creator of the arcade shoot 'em up game Space Invaders, released to the public in 1978 by the Taito Corporation of Japan, often credited as the first shoot 'em up and for beginning the golden age of arcade video games. Prior to Space Invaders, he also designed other earlier Taito arcade games, including the shooting electro-mechanical games Sky Fighter (1971) and Sky Fighter II, the sports video game TV Basketball in 1974, the vertical scrolling racing video game Speed Race (also known as Wheels) in 1974, the multi-directional shooter Western Gun (also known as Gun Fight) in 1975, and the first-person combat flight simulator Interceptor (1975).
Source : Wikipedia