Virtual reality
Around the same time, Douglas Engelbart used computer screens both as input and output devices. In 1968, Ivan Sutherland, with the help of many students including Bob Sproull, created what was widely considered to be the first head-mounted display (HMD) system for use in immersive simulation applications. It was primitive both in terms of user interface and realism, and the HMD to be worn by the user was so heavy that it had to be suspended from the ceiling. The graphics comprising the virtual environment were simple wire-frame model rooms. The formidable appearance of the device inspired its name, The Sword of Damocles.
Jordan Weisman
In 1987, Weisman and his father Morton Weisman founded Environmental Simulations Project — later renamed Virtual Worlds Entertainment —, the company that produced the BattleTech Centers. Working with Incredible Technologies, VWE created the world's first immersive networked location-based virtual reality gaming centers. VWE was a critical, though not a commercial success.As Weisman got more involved in VWE, Sam Lewis became FASA's president.