Gilbert Harman

Gilbert Harman is an American philosopher and professor emeritus at Princeton University who has made influential contributions to ethics, epistemology, and cognitive science since the 1960s. His work spans moral relativism, the nature of reasoning, and philosophical methodology. Harman developed notable theories on moral relativism and the relationship between observation and theory, including his argument that there is no clear distinction between observation and theory. His 1977 work "The Nature of Morality" remains a significant text in meta-ethics and moral philosophy. A key focus of Harman's research has been the connection between philosophy and cognitive science, particularly regarding reasoning and rationality. His collaborations with cognitive psychologist Susan Carey led to important insights about how humans actually reason versus traditional philosophical models of reasoning. Harman served as Stuart Professor of Philosophy at Princeton University and has influenced generations of philosophers through both his theoretical work and his approach to philosophical methodology. His writings on inference and reasoning continue to be widely cited in discussions of epistemology and moral psychology.

Professional philosophers and graduate students make up most of Harman's readership. His academic works receive attention primarily in university settings rather than from general readers. Readers appreciate: - Clear explanations of complex philosophical concepts - Rigorous analysis of moral reasoning and relativism - Practical applications of epistemology to real-world thinking - Integration of empirical psychology with philosophy Common criticisms: - Dense academic writing style - Limited accessibility for non-specialists - Some arguments seen as overly technical - Few concrete examples to illustrate abstract concepts Online presence and ratings are limited since his works are mainly academic texts rather than mainstream publications. On Google Scholar, "The Nature of Morality" has over 2,000 citations. Academic book reviews note his influence on moral philosophy but rarely discuss readability or general appeal. One philosophy graduate student wrote on PhilPapers: "Harman's arguments on observation and theory changed how I approach epistemology, though the texts require multiple careful readings."

Moral Relativism and Moral Objectivity (1996, with Judith Jarvis Thomson) A philosophical examination of moral relativism versus moral objectivism, presenting contrasting viewpoints on whether moral truths are absolute or relative to cultures.

The Nature of Morality: An Introduction to Ethics (1977) An analysis of moral philosophy that explores the foundations of ethics and challenges traditional assumptions about moral facts and properties.

Thought (1973) A detailed investigation of the nature of reasoning, belief formation, and the relationship between observation and theory.

Reasoning, Meaning, and Mind (1999) An exploration of philosophical problems related to reasoning, language, and mental content, drawing from both philosophy and cognitive science.

Change in View: Principles of Reasoning (1986) A study of how people revise their beliefs and the principles that govern rational belief revision.

Skepticism and the Definition of Knowledge (1990) An examination of skeptical arguments and their implications for how we define and understand knowledge.

Explaining Value and Other Essays in Moral Philosophy (2000) A collection of essays addressing various topics in moral philosophy, including moral relativism and the nature of value.

W.V.O. Quine His work on naturalized epistemology and critiques of analytic-synthetic distinction parallel Harman's views on observation and theory. Quine's holistic approach to knowledge and skepticism about traditional epistemological frameworks shares methodological similarities with Harman's perspectives.

Richard Boyd Boyd's work on moral realism and scientific realism addresses similar questions about the nature of moral facts and theoretical entities. His contributions to meta-ethics and philosophy of science engage directly with issues central to Harman's research on moral relativism and theory-observation relationships.

Stephen Stich His research in cognitive science and philosophy of mind examines how actual human reasoning differs from idealized philosophical models. Stich's work on folk psychology and cognitive architecture connects with Harman's investigations of reasoning and rationality.

Allan Gibbard Gibbard's development of norm expressivism addresses fundamental questions in moral psychology and meta-ethics that Harman explores. His analysis of normative judgment and practical reasoning intersects with Harman's work on moral relativism and the nature of reasoning.

Daniel Kahneman His empirical research on judgment and decision-making provides psychological evidence relevant to Harman's philosophical work on reasoning. Kahneman's findings about cognitive biases and dual-process theory complement Harman's integration of philosophy with cognitive science.