Papers and Presentations at Professional Meetings:
“‘Necessity’, ‘Objectivity’, and the Structure of Transcendental Arguments in Kant’s First and Second Critiques,” contributed paper, New Mexico‑West Texas Philosophical Association, Annual Meeting at the University of Texas at El Paso, April 16, 1978.
“Why is There Nothing Rather than Things which Exist?: An Explanation of the Doctrine of Non‑Being in Plato’s Timaeus and in the Writings of the Lao‑Tzu and Chuang‑Tzu,” contributed paper, the International Society for Chinese Philosophy, Annual Meeting, Fairfield University, May 29‑June 4, 1978.
“Aristotle as Ontologist or Theologian: Or, Attempting to Resolve the Apparently Conflicting Doctrines of Being in the Metaphysics,” contributed paper, the Fortieth Annual Meeting of the Southwest Philosophical Society, Lawrence, Kansas, November 9‑11, 1978.
“Truth (Aletheia) in the Context of Heidegger’s Critique of Plato and the Tradition,” contributed paper, New Mexico‑West Texas Philosophical Association, Annual Meeting at the University of Chihuahua, Mexico, April 6‑8, 1979.
“Plato and the Paradox of Self‑Knowledge,” invited paper, The Greater Boston Colloquium for Ancient Philosophy, Brandeis University, March 8, 1979.
“The Origins of Self‑Consciousness as a Social Phenomenon,” invited paper, Presidential Address, The New Mexico‑West Texas Philosophical Association, Cloudcroft, New Mexico, April 13, l985.
“Kant’s Newtonian Revolution in Philosophy,” selected paper, Illinois Philosophical Association, Annual Meeting, November 13, 1987.
“The Role of Technology in the Emergence of Early Greek Science,” selected paper, Twelfth Annual Interface Conference: Technology and the Humanities, October 27, 1988, Atlanta, Georgia.
“The Status of Women in Plato’s Republic,” (commentator), North American Society for Ancient Greek Political Philosophy, August 30, 1989.
“Why is Anaximander’s Earth at Rest?” selected refereed paper for Interface Conference: Thirteenth Annual Interface Conference: Technology and the Humanities, October 18, 1990.
“Anaximander and the Architect/Engineers,” selected refereed paper for the Annual Meeting of the Society for Philosophy and Technology, University of Mayaguez, Puerto Rico, March 7‑10, 1991.
“An Interdisciplinary, Team-Taught, and First-Hand Experience Approach to Teaching Ancient Greek Philosophy in Greece,” selected paper, 9th International Workshop-Conference on Teaching Philosophy, August 7-10, 1992, University of Vermont
“Anaximander and the Architects,” invited paper for the annual meeting of the Society for Greek Philosophy at the American Philological Association, New Orleans, LA, December 28, 1992.
“Re-Thinking the Origins of Philosophy: Technology in its Socio-Political Context,” invited paper, The 15th Annual Meeting of the Society for Ancient and Medieval Philosophy, State University of New York, Binghamton, NY, October 26, 1996.
“Cosmos and Imagination in Hesiod,” The 16th Annual Meeting of the Society for Ancient and Medieval Philosophy, State University of New York at Binghamton, October 22, 1997.
“Kant on Sensible Signs,”(commentator), Illinois Philosophical Association, annual meeting, 2 November 2001.
“Archaeology and Anaximander’s Cosmos,” Classical Association of Mid-Western States Society (CAMWS), St. Louis, 20 October 2003.
“Can the Archaeologist Find Anaximander’s Sundial?” Classical Association of Mid-Western States Society (CAMWS), 31 March 2005. University of Wisconsin, Madison.
“Did Aristotle have the Origins of Philosophy Wrong?” Society for Ancient Greek Philosophy, Fordham University, 18 Oct 2009.
“Did Pythagoras ‘Discover’ or ‘Prove’ the Pythagorean Theorem?” 25 May 2011, presented to the seminar on Ancient Greek Philosophy, University of Athens, Greece.
“Is Pythagoras Connected to the ‘Pythagorean Theorem’?” Presented to the Society for Ancient Greek Philosophy, Saturday 22 October 2011, Fordham University, NYC.
“Aristotle, Anaximenes, & Felting: Some Reflections on Material Monism.” Illinois Classics Association, University of Illinois Champaign-Urbana, 9 October 2011
“What is the Metaphysical Meaning of the Pythagorean Theorem?” Illinois Classics Association, University of Chicago,
7 October 2012
“Did Thales know the ‘Pythagorean Theorem?’ Illinois Classics Association, Monmouth College, 3 October 2015.
“Did Aristotle Get the Origins of Philosophy Wrong?” Miami University, 24 September 2021.
“Did Aristotle Get the Origins of Philosophy Wrong?” Institute of Philosophy and Technology, Athens, Greece, 2 February 2022.
“Modular Thinking and Substance Monism: Architecture, Gnomon, Coinage, and the Felting of Wool,” 2 February 2022.
“Why Thales Knew the Pythagorean Theorem,” Keynote Address, Ancient Science Conference, University of London, 16 February 2015.
“Thales, Pythagoras, and the Pythagorean Theorem?” Illinois Classics Conference, Monmouth College, Monmouth, Illinois, 3 October 2015
“Milesian Monism and the Felting of Wool,” Ancient Science Conference, University of London, 14 February 2016
“Did Aristotle get the Origins of Philosophy Wrong?” Aristotle’s 2500th Birthday Conference, University of Thessaloniki, Greece
“An Interdisciplinary Approach to Early Greek Philosophy: How Archaeology, Architecture, and Anthropology are Philosophically Relevant.” Ex Ionia Scientia: ‘Knowledge’ in Archaic Greece, an international conference, Athens, Greece 11 December 2016.
“Why Thales knew the Pythagorean Theorem,” Ex Ionia Scientia: ‘Knowledge’ in Archaic Greece, an international conference, Athens, Greece 11 December 2016.
“Aristotle’s Metaphysics 983b and Ionian Monism,” Ancient Science conference, University of London, 18 February 2022.
“What is Truth?,” presentation to the SIU Media group, 14 April 2022.
“Did Aristotle Get the Origins of Philosophy Wrong?” Modular Thinking and Substance Monism: Architecture, Gnomon, Coinage, and the Felting of Wool. Canadian Aristotle Society, 27 October 2022.
Invited Lectures:
“NOYS, GENOYSTHS, and the Ontology of Philebus 23C‑31A,” invited paper at the Texas Regional Meeting for Greek Philosophy, The University of Texas at Austin, February 10‑11, 1978.
“Schematism and the Continuity of Experience in Kant and Plato,” invited public lecture, Department of Philosophy, Boston University, February 21, 1978.
“Plato and Aristotle on the Four‑Fold: Or, Why Aristotle was NOT an Aristotelian and Plato NOT a Platonist,” invited paper, Department of Philosophy Boston University, February 22, 1978.
“Being and Form in Plato and Aristotle,” invited paper, Department of Philosophy and the History of Ideas, Brandeis University, February 23, 1978.
“Plato’s Resolution to the Third‑Man Argument: Or Is Two Company But Three a Crowd?” invited paper, Department of Philosophy, Denison University, February 27, 1978.
“EXEIV METEXEIV, and the Doctrine of ‘Participation’ in Plato’s Third‑Man Arguments,” invited paper, Department of Philosophy, Swarthmore College, April 8, 1980.
“Identity and the Law of Non‑Contradiction in Plato’s Parmenides,” invited paper, Department of Philosophy, University of Miami, May 6, 1980.
“Plato and Aristotle in the Context of the Middle Ages,” invited paper, the Pennsylvania State University, November 5, 1979.
“The Idea of History and the Problem of Being in Aristotle’s ‘Ontology’,” invited paper, Denison University, February 15, 1981.
“Is the World Connected?: Zeno’s Paradoxes and Quantum Mechanics,” invited paper, The University of Texas at Dallas, October 23, 1981.
“Knowledge and Death in Plato’s Theaeteus,” invited paper, Texas Christian University, Fort Worth, Texas, April 14, 1981.
“Infinity and Intelligibility in Ancient Greek Science,” invited paper, Southern Illinois University at Carbondale, February 12, 1982.
“Monumental Architecture as an Experimental Science: Re‑Appraising the Origins of Early Greek Science,” invited paper, California State University at Northridge, March, 1986.
“Re‑Appraising the Origins of Ancient Greek Science,” invited paper, The University of Mississippi, Oxford, MS, November 5, 1987.
“Kant, Copernicus, and Newton: Re‑thinking the Argument Structure of the Critique of Pure Reason,” invited paper, The University of Missouri at St. Louis, March 28, 1988.
“Technology of the Origins of Greek Science,” University of Tennessee at Chattanooga, February 8, 1989.
“Monumental Architecture and the Rise of Greek Philosophy,” University of Mississippi (at Oxford), February 10, 1989.
“An Interdisciplinary Approach to Ancient Greek Philosophy,” invited lecture, University of the South, Sewanee, Tennessee, March 3, 1990.
“Measuring the Circumference of the Earth, in Greece,” University of Tennessee at Chattanooga: Reproducing Eratosthenes’ Experiment (2nd cent. b.c.), March 4, 1990.
“Anaximander and Architects,” various dates/locations, 1992.
“Sexual Politics in Ancient Greece,” invited paper, Department of Anthropology, The University of Tennessee at Chattanooga, February 16, 1993.
“Ancient Evidence for Reincarnation: Transitions from Old, Middle, and New Kingdom Egypt,” Macomb Community College, Warren, MI, December 6, 1994.
“The Irrationality of Western Science,” invited Lecture, The University of Texas Pan-American, Edinburg, TX, February 2, 1995.
“Ancient Egyptian and Greek Evidence Concerning Views of an After-Life,,” The University of Texas Pan-American, Edinburg, TX, February 3, 1995.
“Plato and Parmenides on the Transmigration of Souls,” invited paper, Department of Humanities, Macomb Community College, Warren, MI, February 11, 1995.
“An Interdisciplinary Approach to Teaching Art History: Some Philosophical Reflections,” The California College of Arts and Crafts, Oakland, CA, February 22, 1995.
“Theories of Life and Death in the Ancient Cultures of Egypt and Greece,” invited Lecture, Department of Art History, The California College of Arts and Crafts, Oakland, CA, February 22, 1995.
“Philosophy and Religion in the Ancient Cultures of Egypt and Greece,” invited paper, Department of History and Philosophy, The University of Texas, Pan-American, Edinburg, TX, March 9, 1995.
“Anaximander and the Egypt Connection: Reviewing the Afrocentric Hypothesis,” invited lecture, University of Amsterdam, September 28, 1997.
“Re-visiting Kant’s Newtonian Revolution in Philosophy, ” invited lecture, University of Maastricht, September 28, 1997.
“Thales, Anaximander, and the Origins of Greek Philosophy,” Invited Lecture, February 12, 1998, Hampton-Sydney College, Virginia.
“The Afrocentric Debate and Its Implications for the Origins of Philosophy,” Invited Lecture, March 16, 1998, University of Wisconsin at La Crosse.
“Anaximander’s Cosmic Architecture and Architectural Techniques of the 6th century BCE Architects in Samos,”
Invited Lecture, Deutsches Archäologisches Institut, Samos (Greece), September 14, 1999.
“The ‘Growth’ of Anaximander’s Cosmos and Schaber’s Theory about the ‘Growth’ of the Archaic Temple to Artemis in Ephesus,” Invited Lecture, Österreichisches Archäologisches Institut, Ephesus (Türkiye), September 16, 1999.
“The Legacies of Ancient Egypt and Greece,” invited lecture, Southern Illinois University at Edwardsville, February 9, 1999.
“Myth and Cosmos in Ancient Greece,” invited lecture, Southern Illinois University at Edwardsville, December 1, 1999.
“Re-Thinking Thales’ Contribution to the Origins of Greek Geometry in the Context of Applied Geometrical Techniques Evidenced at Archaic Building Sites.” Invited Lecture, Technische Universität München, (Germany) April 5, 2000.
“The Origins of Ionian Nature Philosophy and Techniques in Monumental Architecture.” Invited Lecture, Archaeology Seminar, Universität Wien, (Austria) April 6, 2000.
“Architecture and Cosmic Mechanisms in Anaximander,” Invited Lecture, Österreichisches Archäologisches Institut, Salzburg (Austria) April 7, 2000.
“Anaximander’s Architectural Techniques: The Argument for Plan vs Axonometric Views other than Plan,” Invited Lecture, Hochschule für Technik, Stuttgart (Germany) April 8, 2000.
“Was Anaximander a ‘Philosopher’? Invited Lecture, Erasmas University, Rotterdam, The Netherlands, May 6, 2000.
“H EMFANISH THS ELLINIKHS FILOSOFIAS”: The 2000 Theophilos Veikos Endowed Lecture in the University of Athens [National and Kapodistrian University]: “Re-Thinking the Origins of Greek Philosophy: Anaximander, the Architects, and the Contributing Role of Archaeology.” Invited Lecture, University of Athens, May 10, 2000.
“The Problem of ‘Knowledge’ in Archaic Greece,” Invited Presentation, Deutsches Archäologisches Institut, Athens, Greece, May 11, 2000.
“The Contribution of Ancient Egyptian Architectural Techniques to Milesian Nature-Philosophy,” Invited presentation to the excavation group of Metropolitan Museum of Art (New York) at their excavation site in Dhashur, Egypt, October 15, 2000.
“The Architectural Origins of the Geometrical Techniques of Thales and Anaximander,” presented to the Graduate Seminar in Ancient Philosophy, University of Athens, Greece, October 19, 2000.
“The Idea of Modular Thought in Archaic Architecture and Early Greek Philosophy,” presented to the Deutsches Archäologisches Institut, Athens, Greece, October 20, 2000.
“The Numbers 19, 27, and 28 in Anaximander’s Cosmic Architecture” Invited Lecture, Ancient Philosophy Colloquium, Northwestern University, December 8, 2000.
“Anaximander’s Cosmic Architecture,” Hellenic Government – Karakas Family Foundation Lecture. The University of Missouri at St. Louis, April 24, 2001.
“Anaximander in Context: Proportions and Numbers in Anaximander and Early Greek Thought.” Invited Lecture, Deutsches Archäologisches Institut, Didyma [Türkiye], September 10, 2001.
“Anaximander in Context: Proportions and Numbers in Anaximander and Early Greek Thought.” Invited Lecture,Österreichisches Archäologisches Institut, Didyma [Türkiye], September 11, 2001.
“Author Meets Critics: Anaximander and the Architects,” Sponsored by the Society for Philosophy and Geography, American Philosophical Association, Central Division, 25 April 2002.
“From Sundials to Socrates: Technology and the Origins of Greek Philosophy,” Yale Club of St. Louis, 27 January 2005.
“From Sundials to Socrates: Technology and the Origins of Greek Philosophy,” Temple Israel, St. Louis, 7 February 2005.
“Winning, Losing, and Love: A Philosopher’s Reflections on Life and Tennis,” Charles D. Tenney Distinguished Lecture, 5 April 2005.
“The Philosophy of Ancient Greek Poetry: A Case Study of Homer’s Iliad.” Dyersburg State Community College, Tennessee, 28 February 2011.
“Did Pythagoras Discover the ‘Pythagorean Theorem?” Colloquium, Department of Philosophy, SIU, 18 October 2012.
“From Egypt to Israel: New Cooperation for American Students in Israel,” Interfaith Encounter Association, 25 December 2013 [Jerusalem, Israel].
“Pythagoras’ Other Theorem: The Metaphysics of the Application of Areas,” Ben Gurion University in the Negev, 26 December 2013.
“Did Thales Discover the Pythagorean Theorem?” University of West Bohemia, 03 March 2014.
“Thales Monism, Transformational Equivalence, and Anaximenes’ Material Felting”, University of West Bohemia, 4 March 2014.
“Thales Monism, Transformational Equivalence, and Anaximenes’ Material Felting”, University of Prague, 6 March 2014.
“Did Thales Discover the Pythagorean Theorem?” University of Prague, 7 March 2014.
“Did Thales Discover the Pythagorean Theorem?” Sorbonne University, Paris, France, 30 May 2014.
“Did Thales Discover the Pythagorean Theorem?” Bilkent University, Ankara, Türkiye, 4 June 2014
“Did Thales Discover the Pythagorean Theorem?” Deutsches Archäologisches Institut, Athens, Greece, 13 June 2014.
“Did Thales Discover the Pythagorean Theorem?” Annual Meeting of the Society for Ancient Greek Philosophy, Fordham University, New York City, 25 October 2014.
Invited Keynote Address: “Why Thales Knew the Pythagorean Theorem” Ancient Science Conference, University of London, 16 February 2015.
“Did Pythagoras know the Pythagorean Theorem?” Illinois Classics Conference, Monmouth College, Monmouth, Illinois, 3 October 2015.
Plenary Lecture/Keynote Address: “How Archaeology Can Illuminate the Ideas of the Greek Philosophers, “Why ‘Material Culture’ matters to our Understanding of Philosophical Ideas,” 3 March 2017, University of South Florida.
“The Metaphysics behind Euclid’s Two Proofs of the Pythagorean Theorem,” Bard High School Early College, Manhattan, New York City, 3 January 2018.
“Did Aristotle get the Origins of Philosophy Wrong?” Annual meeting of the Classics Association of Great Britain, 9 April 2018.
“Was Archaic Greece a Golden Age?” Invited panelist, Annual meeting of the Classics Association of Great Britain, 10 April 2018
Invited Keynote Address: “Accounting for the Origins of Greek Philosophy/Science in its Historical, Cultural, Technological Contexts: The Importance of Material Dimensions,” Ancient Science conference, University of London, 12 February 2019.
“Were the Earliest Philosophers Source and Substance Monists?” (Co-Authored with Chava Hahn), New Mexico Texas Philosophical Society, San Antonio, Texas, 6 April 2019.
Invited Keynote Address: “The Metaphysics of Modular Thinking: Architecture, Geometry, the Felting of Wool, and the Origins of Greek Philosophy,” SOPHISTICAL CONFERENCE #3, Technische Universität Wien, 14 November 2019.
Invited Scholar for Video Program (Science Channel): Unearthed: Secrets of the Seven Wonders of the Ancient World Filmed at Re-Construction of the Athenian Parthenon in Nashville, TN, April 2019 [released January 2020].
Invited Keynote Address: “The Metaphysics of Modular Thinking, Substance Monism, and the Origins of Greek Philosophy: Architecture, Geometry, Coinage, and the Felting of Wool,” Ancient Science conference, University of London, 18 February 2020.
Invited Keynote Address: “Why Thales Knew the Pythagorean Theorem,” Cleisthènes Atelier, 9 April 2020, Université de Franche-Comté, Besançon France [CANCELLED: COVID-19]
Invited Keynote Address: “The Metaphysics of Modular Thinking, Substance Monism, and the Origins of Greek Philosophy: Architecture, Geometry, Coinage, and the Felting of Wool,” Merrimac College, Boston, MA, 16 April 2020 [CANCELLED: COVID-19]
Invited Keynote Address: “Geometry, Arithmetic, and Incommensurability, Part I.” Ancient Science conference, University of London, 20 February 2023.
Invited Keynote Address: “The Greek Discovery of Incommensurability: Re-viewing Hippasus in a neglected context.” Ancient Science conference, University of London, 8 April 2024.
“Aristotle on the Origins of Philosophy: Re-situating the early philosophers in their technological context supports why Aristotle got it right,” XXV World Philosophy conference, Rome, Italy, in the division Aristotelica, Tuesday 11 June 2024.
“How the Archaic Ionic Architects contributed to the Origins of Greek Philosophy/Cosmology.” Athens Institute for Research and Education [ATINER], International Conference on Architecture, Athens, Greece, 8 July 2024.
Professor Robert Hahn 