John Vassos (born John Plato Vassacopoulos; 23 October 1898 – 6 December 1985) whose career as an American industrial designer and artist helped define the shape of radio, television, broadcasting equipment, and computers for the Radio Corporation of America for almost four decades. He is best known for both his art deco illustrated books and iconic turnstile for the Perey company, as well as modern radios, broadcast equipment, and televisions for RCA. He was a founder of the Industrial Designers Society of America, in 1965, serving as its first chairman simultaneously with Henry Dreyfuss as its president. Vassos' design philosophy was to make products that were functional for the user.