United States – 1999

For three decades, Warnock has been respected as an innovator in the field of computer software. One of Warnock's most outstanding achievements is the development of the PostScript language.

ACM Software System Award
PostScript United States – 1989

Douglas K. Brotz, Charles M. Geschke, William H. Paxton, Edward A. Taft, John E. Warnock

For the design of PostScript page description language and its implementation.