Although different groups of people have different demographics, the general breakdown suggests that Reds comprise 25% of the population; Blues 35%; Whites 20%; and Yellows 20%. A 45-question test assesses one's color, based on whether you answer A, B, C, or D.
In 1926, promoter C.C. Pyle created the first professional tennis tour with a group of American and French tennis players playing exhibition matches to paying audiences. The most notable of these early professionals were the American Vinnie Richards and the Frenchwoman Suzanne Lenglen.
Tennis for Two was first introduced on October 18, 1958, at one of the Labâs annual visitorsâ days. Two people played the electronic tennis game with separate controllers that connected to an analog computer and used an oscilloscope for a screen. The gameâs creator, William Higinbotham, was a nuclear physicist lobbied for nuclear nonproliferation as the first chair of the Federation of American Scientists.