The sculpture is located in the University of Pittsburgh's Forbes Quadrangle between Posvar Hall, the Barco Law Building, and Hillman Library.

[2] The sculpture was temporarily recited to the Seagram Plaza in New York City in 1998 for an exhibition of Smith's work at the Museum of Modern Art.

[3] In 1971, then-board-chairman of the Westinghouse Electric Corporation Donald Burnham commissioned Tony Smith for a piece of public artwork for the Gateway Center in downtown Pittsburgh.

[4] Although generally well received at the time of its dedication,[5] it was described as a disappointment by a news columnist for the Pittsburgh Post-Gazette for not being as "dynamic" as some of Smith's other works.

[6] Light Up is 20 feet and 6 inches in height and most noted for it being a bright shade of yellow; a departure from the sculptor's more numerous black works.