Ralph E. Griswold is Regents' Professor of Computer Science, Emeritus, at The University of Arizona. He started his career at Bell Labs designing high-level string processing languages and became head of the Programming Language Research Department there. He has over 35 years of experience in the design and implementation of high-level programming languages and is author/coauthor of 11 books on the subject. He began the development of Icon in 1978 and has guided it to its present mature state.
Clinton L. Jeffery is Assistant Professor in the Division of Computer Science at The University of Texas at San Antonio. He introduced Icon's graphics facilities and has continued their development.
Gregg M. Townsend is Staff Scientist in the Department of Computer
Science at The University of Arizona, where he led the construction of SR
and Toba. He has been a major contributor to Icon for many years and has
been deeply involved in the design and implementation of its graphics facilities.