Herbert Alexander Simon (1916 – 2001) was an American political scientist, economist, sociologist, psychologist, and professor — most notably at Carnegie Mellon University —  whose research ranged across the fields of cognitive psychology, cognitive science, computer science, public administration, economics, management, philosophy of science, sociology, and political science.

With almost a thousand very highly-cited publications, he was one of the most influential social scientists of the twentieth century.

See also: Simon, (1969)