Logo of the BBC Also, under-logo lines were added to the logo for the first time. These lines were coloured blue, red, green to reflect the flags of Scotland, Wales, and Northern Ireland respectively (an "English-bias" has always been a criticism of the BBC), as well as the three phosphors of colour television. These appeared on the BBC national-region identities from the identities' debut in 1988 and its gradual television debut over the period 1989–1991. Previously, in 1986, the electronically generated BBC2 logo was updated. The number 2 was replaced with the word TWO. The letters were white, 3D letters on a white background
Logo and corporate identities, including the famous logos for IBM, UPS, and ABC. The third pioneer of corporate identity design is Saul Bass. Bass was responsible for several recognizable logos in North America, including both the Bell Telephone logo (1969) and successor AT&T Corporation globe (1983). Other well-known designs were Continental Airlines (1968), Dixie (1969), and United Way (1972). Later, he would produce logos for a number of Japanese companies as well. An important development in the documentation of logo design is the study of French trademarks by historian Edith Amiot and philosopher Jean Louis Azizollah. Color is a key element