Herbert A. Simon

Lore & Background

Herbert Alexander Simon was born in Milwaukee, Wisconsin, on June 15, 1916. His father was an electrical engineer and inventor, and his mother was an accomplished pianist. Simon attended Milwaukee Public Schools, where he developed an interest in science and established himself as an atheist. He entered the University of Chicago in 1933, studying social science and mathematics, and received both his B.A. (1936) and Ph.D. (1943) in political science from the same university. His doctoral dissertation focused on organizational decision-making.

After receiving his undergraduate degree, Simon worked at the University of California, Berkeley from 1939 to 1942, then served as a professor of political science at Illinois Institute of Technology from 1942 to 1949. In 1949, he joined Carnegie Institute of Technology (later Carnegie Mellon University), where he remained until 2001. At Carnegie Mellon, he helped found the Carnegie Mellon School of Computer Science, one of the first such departments in the world. His research spanned cognitive science, computer science, public administration, management, and political science.

Simon was among the pioneers of artificial intelligence, information processing, decision-making, problem-solving, organization theory, and complex systems. He was among the earliest to analyze the architecture of complexity and to propose a preferential attachment mechanism to explain power law distributions. His book Administrative Behavior, first published in 1947, served as the foundation for his life's work on behavioral and cognitive processes of human decision-making.

Reader's Guide

Herbert A. Simon's significance lies in his interdisciplinary contributions that reshaped multiple fields. His theory of bounded rationality challenged the classical economic model of perfect rationality, arguing that human decision-making is limited by knowledge and cognitive capacity. This led to the concept of satisficing—choosing an acceptable option rather than an optimal one. Simon's work bridged economics, psychology, and computer science, laying groundwork for artificial intelligence and organizational theory. At Carnegie Mellon University, he helped establish one of the first computer science departments, influencing generations of researchers. His recognition with both the ACM Turing Award and the Nobel Memorial Prize in Economic Sciences underscores his impact across disciplines. Simon's analysis of complexity and preferential attachment mechanisms also contributed to understanding power law distributions in networks. His legacy endures in how we study decision-making, problem-solving, and the architecture of complex systems.

Did You Know?

• Simon received both the ACM Turing Award (1975) and the Nobel Memorial Prize in Economic Sciences (1978).
• He helped found the Carnegie Mellon School of Computer Science, one of the first such departments in the world.
• Simon was among the earliest to propose a preferential attachment mechanism to explain power law distributions.
• He wrote a letter defending the civil liberties of atheists while attending middle school.

Notable Quotes (Wikiquote)

"The criterion of efficiency dictates that choice of alternatives which produces the largest result for the given application of resources." — Herbert A. Simon "Simon (1945, p. 179); As cited in: Harry M. Johnson (1966) Sociology: A Systematic Introduction. p. 287." — Herbert A. Simon "The techniques of the practitioner are usually called 'synthetic'. He designs by organizing known principles and devices into larger systems." — Herbert A. Simon "Simon (1945, p. 353); As cited in: Philosophy of Technology and Engineering Sciences (2009) p. 425." — Herbert A. Simon