Clifford S. Poirot Jr. received his PhD in Economics in 1992 from the University of Utah. He has published several articles on Evolutionary Economics. He has taught at several institutions. He is currently teaching courses in both Economics and Political Science at Shawnee State University. He has been at Shawnee State since 1999.

• IntroductionGoal and Purpose of this StudyScope and Method of this StudyPlan of this Study1: The Origins of Evolutionary Social TheoryIntroductionNatural Philosophy and the Newtonian World ViewCivil, or Moral PhilosophyPhilosophical History and Political Economy in the Scottish and French EnlightenmentConclusion2: The Development of Evolutionary Social Theory: 1815-1871 Introduction Philosophy of Science in the Early and Mid-19th Century Evolutionary Theory: Biological and Social before Darwin The Trajectory of Political Economy Darwin’s Biology The Ramifications of Darwin’s Theories Conclusion3: Social Evolutionism and Political Economy after DarwinIntroduction Darwin’s Impact on Philosophy of Science The More General Theory of Sociology The End of Political Economy: Marx, Marshall and Veblen Conclusion4: The Dénouement of Evolutionary Social Theory Introduction Philosophy of Science in the Early and Mid-20th Century Evolutionary Social Theory: Marginalization and Reaction in the Social Sciences Conclusion5: The Resurrection of Evolutionary Social Theory: Back to the Center? Introduction Philosophy of Science: Neo-Positivism Ontology and Epistemology: Critical Realism and Critical Common Sensism Contemporary Evolutionary Biology: An Overview Biology and Evolutionary Social Theory Toward the Neo-Evolutionary Synthesis Conclusion6: Conclusion