Kenneth E. Iverson
* December 17, 1920, Camrose, Alberta, Canada
† October 19, 2004, Toronto, Ontario, Canada
ACM A.M. Turing Award - 1979
For his pioneering effort in programming languages and mathematical notation resulting in what the computing field now knows as APL, for his contributions to the implementation of interactive systems, to educational uses of APL, and to programming language theory and practice.