One program that stands out in this early period — both for its atypical subject matter and its subsequent notoriety in a series of patent lawsuits — is Tennis for Two (1958), created by physicist William Higinbotham to entertain guests at the annual visitor's day held by the Brookhaven National Laboratory. This program displayed a tennis court in side view on an oscilloscope and allowed two players to volley a ball using box-shaped controllers equipped with a knob for trajectory and a button for hitting the ball. Displayed for two seasons at Brookhaven, Tennis for Two proved popular with the public, but was ultimately dismantled so its parts could be re-purposed for other tasks. Higinbotham never considered adapting the successful game into
