# Herbert Simon ![[50 Resources/51 Attachments/51.03 Public/2026-02-11 Herbert Simon.jpg|400]] Herbert Alexander Simon (1916–2001) was an American polymath whose work spanned [[Artificial Intelligence (AI)]], [[Cognitive Psychology]], economics, political science, and organizational theory. He received the Nobel Prize in Economics (1978) for his theory of bounded rationality and the ACM Turing Award (1975, with [[Allen Newell]]) for contributions to AI. He is one of very few people to receive both honors. With Allen Newell, Simon created the Logic Theorist (1956)—often called the first AI program—and the General Problem Solver (GPS). Their Physical Symbol System Hypothesis became foundational to classical AI. In economics, Simon challenged the "rational actor" model, arguing that humans "satisfice" (seek good-enough solutions) rather than optimize due to cognitive limitations. His book *Administrative Behavior* (1947) transformed organizational theory. ## Key Contributions | Field | Contribution | Description | |-------|--------------|-------------| | **AI** | Logic Theorist | First AI program (1956, with Newell) | | **AI** | General Problem Solver | General-purpose reasoning system | | **AI** | Physical Symbol System | Foundational AI hypothesis | | **Economics** | Bounded Rationality | Humans satisfice, not optimize | | **Organizations** | Administrative Behavior | Decision-making in organizations | | **Cognitive Science** | Information Processing | Mind as information processor | ## Bounded Rationality Simon's challenge to classical economics: > "The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems." Key ideas: - **Satisficing**: Choosing "good enough" over optimal - **Cognitive limits**: Humans can't process all information - **Procedural rationality**: Focus on decision process, not just outcome - **Heuristics**: Rules of thumb for complex decisions ## Physical Symbol System Hypothesis With Newell, Simon proposed: > "A physical symbol system has the necessary and sufficient means for general intelligent action." This claim defined classical AI's approach for decades. ## Awards and Recognition - **Nobel Prize in Economics** (1978) — bounded rationality - **ACM Turing Award** (1975) — with Allen Newell - **National Medal of Science** (1986) - **APA Award for Distinguished Scientific Contributions** (1969) - Member of National Academy of Sciences ## Career Timeline - **1916**: Born in Milwaukee, Wisconsin - **1943**: Ph.D. in Political Science, University of Chicago - **1947**: Published *Administrative Behavior* - **1949**: Joined Carnegie Mellon University - **1956**: Created Logic Theorist with Newell - **1975**: ACM Turing Award - **1978**: Nobel Prize in Economics - **2001**: Died in Pittsburgh ## Notable Publications - *Administrative Behavior* (1947) - *The Sciences of the Artificial* (1969) - *Human Problem Solving* (1972, with Newell) - *Models of Bounded Rationality* (1982) - *Models of My Life* (1991, autobiography) ## Quotes <!-- QueryToSerialize: LIST FROM #type/quote AND [[Herbert Simon]] WHERE public_note = true SORT file.name ASC --> ## Books <!-- QueryToSerialize: LIST FROM #type/book AND [[Herbert Simon]] WHERE public_note = true SORT file.name ASC --> ## References - https://en.wikipedia.org/wiki/Herbert_A._Simon - https://www.nobelprize.org/prizes/economic-sciences/1978/simon/biographical/ ## Related - [[Allen Newell]] - [[Artificial Intelligence (AI)]] - [[Cognitive Psychology]] - [[Bounded Rationality]] - [[Decision Making]]