Television in the United States Gray Television, whose 131 stations cover mostly smaller metropolitan areas reaching only 10% of the population. The five major U.S. broadcast television networks are the National Broadcasting Company (NBC), CBS (formerly known as the Columbia Broadcasting System), the American Broadcasting Company (ABC), the Fox Broadcasting Company (Fox) and the CW Television Network. The first and elder three (which are colloquially known as the "Big Three") began as radio networks: NBC and CBS respectively began operations in 1924 and 1927, while ABC was spun off from NBC to Edward J. Noble in 1943 as the Blue Network during FCC inquiries over
Edward J. Giorgianni of Colour", R. W. G. Hunt. In addition, Giorgianni is an award-winning instructor and frequent lecturer at technical symposia and universities. Giorgianni retired from the Eastman Kodak Company in 2005, although he continues to consult and lecture. Edward J. Giorgianni Edward J. Giorgianni is an Imaging Scientist formerly of the Imaging Research and Advanced Development Division at Eastman Kodak Company. Giorgianni is best known for his contributions in the field of color science and hold numerous patents in the fields of color management and imaging technology. Among his inventions are the digital color-encoding methods used on many commercial imaging systems,