Russell L. Ackoff

Russell Lincoln Ackoff was an American organizational theorist, consultant, and Anheuser-Busch Professor Emeritus of Management Science at the Wharton School, University of Pennsylvania. Ackoff was a pioneer in the field of operations research, systems thinking and management science. Wikipedia
Born: February 12, 1919, Philadelphia, Pennsylvania, United States
Died: October 29, 2009, Paoli, Pennsylvania, United States