Guy Lewis Steele, Jr. GLS Guy Steele <person> (GLS) A software engineer whose most notable contributions to the art of computing include the design of {Scheme} (in cooperation with {Gerald Sussman}) and the design of the original command set of {Emacs}. He is also known for his contribution to the {Jargon File} and for being the first to port {TeX} (from {WAITS} to {ITS}). He wrote the book "Common Lisp", which virtually defines the language. He was working at {Sun Microsystems, Inc.} from 1996 to the present (June 2001). (2001-06-14)