Arcade game Invaders", however, dealt a yet more powerful blow to the popularity of electro-mechanical games. In 1971 students at Stanford University set up the "Galaxy Game", a coin-operated version of the Spacewar video game. This ranks as the earliest known instance of a coin-operated video game. Later in the same year, Nolan Bushnell created the first mass-manufactured game, "Computer Space", for Nutting Associates. In 1972, Atari was formed by Nolan Bushnell and Ted Dabney. Atari essentially created the coin-operated video game industry with the game "Pong", the first successful electronic ping pong video game. "Pong" proved to be popular, but imitators
Ted Dabney these, he worked for several companies, including Raytheon and Fujitsu, and at other times working on his own projects for his own video game company Syzygy Game Company, where he made games that Bushnell used for his Pizza Time Theaters, including an arcade quiz game based on science fiction writer Isaac Asimov. Dabney also helped with the automated ticket number system used by the restaurants. When Pizza Time Theater went under, and Bushnell could not pay Dabney what he owed him, Dabney opted to close down Syzygy, and ended his friendship with Bushnell. Dabney went to work at Teledyne for