HELEN S. LANG
Department of Philosophy
Villanova, PA 19085-1699
Ph.D. University of Toronto, 1977
Dissertation: Aristotle and the Supreme Mover of the Physics
M.A. University of Colorado, 1971
B.A. University of Colorado, 1970 cum laude in philosophy
Professor, Department of Philosophy, Villanova University, 2002-Present
Koeppel Professor of Classical Studies, Trinity College, 2001-2003
Professor, Department of Philosophy, Trinity College, 1988 - 2003
Chairwoman, 1983-1985; 1995-96; 97-99
Associate Professor, Trinity College, September 1983-1988
Assistant Professor, Trinity College, 1978-1983
Visiting Assistant Professor, University of Denver, 1977-1978
Instructor, University of Denver, 1974-1977
Lecturer, University of Colorado, Denver Campus, 1973-1974
Teaching Assistant, Department of Philosophy, University of Toronto,
Fellow, Institute for Advanced Study, Princeton, Spring Term, 2000
Senior Fellow, Dibner Institute for the History of Science and Technology, MIT, Fall Term, 1999
Visiting Scholar, Department of Philosophy, University of Pennsylvania, 1994-95
Visiting Scholar, Department of Philosophy, State University of New York at Albany, 1990-91
Honors, Awards, and Professional Offices:
Chair, Nominating Committee, Society for Medieval and Renaissance Philosophy, 2011-2013
President, Society for Medieval and Renaissance Philosophy, 2009-2010
Renaissance Society of America, Discipline Representative for Philosophy 2002-2005
APA/PDC [American Philosophical Association/Philosophy Documentation Center] Award for Excellence and Innovation in Philosophy Programs for the program "The Integration of Science and Mathematics Laboratories into a Humanities Curriculum", Helen S. Lang, PI.
NSF Review Panel, Dec. 8-9, 1997
History of Philosophy Quarterly, member editorial board, 97-2002
NSF Grant for Institutional Reform, Helen Lang PI 97-99
ACLS Travel Grant, Oct. 1996.
Co-Director, NEH Grant for Innovative Teaching for the Philosophy Department of Trinity College, 1995-97
NEH Grant for Interpretive Research, Division of Humanities, Science and Technology 1994-95;96-97
NEH Fellowship for College Professors, 1990-91
Trinity College Faculty Research Grant, Spring 1986
Trinity College Mellon Grant, Spring 1983
A.C.L.S. Travel Grant, Summer 1982
N.E.H. Summer Institute Fellowship, Harvard University, Summer 1981
A.C.L.S. Research Fellowship for Recent Recipients of the Ph.D., Spring 1981
Trinity College, Individual Research Grant, 1978-1979
University of Denver Research Grant, 1975-1977
Province of Ontario Fellowship, 1972-1973; 1973-1974
University of Colorado Graduate Fellowship, 1970-1971
Teaching and Research Interests
Areas of Specialization:
History of Ancient Science (especially physics)
Medieval and Renaissance Philosophy
Areas of Competence:
History of Medieval Science (especially physics)
Greek, Latin, German, French
3. Proclus: de Aeternitate Mundi. Translated with Introduction, Synopses, and Notes by Helen S. Lang and A. D. Macro (Berkeley: University of California Press, 2001).
2. The Order of Nature in Aristotle’s Physics: Place and The Elements (Cambridge: Cambridge University Press, 1998).
1. Aristotle's Physics and its Medieval Varieties. (Albany: SUNY Press, 1992).
38. [“The Situation of Body in Proclus’ Elements of Theology”, Proclus in Istanbul, Forthcoming volume. Date to be set.]
37. [“Body and Natural Things: Aristotle and The Subject of Physics”, Fourth Congress of the Gesellschaft für antike Philosophie: Body: Σῶμα and corpus in Ancient Philosophy and Literature. Oct. 7-11, 2013, proceedings to be published.]
36.[ “Aristotle and the Atomists on Sensible Objects” Companion to Aristotle ed. C. Baracchi. Continuum Press, London and New York; under contract.]
35. [“Natural Things and Body” invited essay for volume on Aristotle edited by W. Wians and R. Polansky. Date of publication to be determined.]
34. [“Length, Breadth, and Depth: Plato’s Construction of Body” Festschrift in Honor of Heinrich von Staden. Date of pulication to be determined.]
33. “Physics”, Encyclopedia of Ancient History. London: Blackwell, Nov. 2011.
32. “Aristotle’s Physics”, Encyclopedia of Ancient History. London: Blackwell, Nov. 2011.
31. “Body, Natural Things, and The Science of Nature” in Proceedings of the Boston Area Colloquium in Ancient Philosophy, Vol. 24, 2008 ed. By J. Cleary and G. Gurtler. Brill: Leiden, 2009.
30. “Eternity, Perpetuity and Time in Proclus’ World” in Phronesis 2005, 50, pp.150-169.
29. “Aristotle’s Philosophy of Science” in Physics and Mechanics in Antiquity, ed. Astrid Schümann in Physik/Mechanik: Geschichte der Mathematik und der Naturwissenschafter 3, Franz Steiner Verlag: Stuttgart, 2005, pp. 77-92.
28. “The Importance of Classical Philosophy” in Journal of Neoplatonic Studies, 2004, 9, pp. 133-150.
27. “Aristotle's Categories “Where” and “When” in Categories: Historical and Systematic Essays ed. by Jonathan J. Sanford (Washington: Catholic University of America Press, 2004), pp. 21-32.
26. "Philoponus'Aristotle: The Extension of Place" in Whose Aristotle? Whose Aristotelianism? ed. by Robert W. Sharples (Ashgate Publishing lmited of Gower House, 2001) 11-27.
25. "The Role of Science/Mathematics Laboratories in Philosophy" in Teaching Philosophy 1998, 21, pp. 327-337.
24. “Language as Participation In Anslem’s Proslogion”, Saint Anselm: Bishop and Thinker: Papers Read at a Conference Held in the Catholic University of Lublin on 24-26 September 1996, ed. by Roman Majeran and Edward I. Zielinski (The University Press of the Catholic University of Lublin, Lublin 1999), pp. 209-223.
23. “Thomas Aquinas and the Problem of Nature in Physics II, 1", History of Philosophy Quarterly, 1996, 13, pp. 411-432.
22. “Inclination, Impetus and The Last Aristotelian” in Archives internationales d’histoire des sciences, 1996, 46, pp. 221-260.
21. “Topics and Investigations: Aristotle’s Physics and Metaphysics” in Philosophy and Rhetoric, 1996, 29, pp. 416-435.
20. "Aristotle's Physics IV, 8: A Vexed Argument In The History of Ideas" in The Journal of the History of Ideas 1995, 56, pp. 353-376.
19. "Why The Elements Imitate The Heavens: Metaphysics IX, 8, 1050b28-34" in Ancient Philosophy, 14, 1994, pp. 335-354. Reprinted in Aristotle: Critical Assessments ed. by Lloyd P. Gerson, Vol. 1, (Routledge: London and New York) 1999, pp. 318-338.
18. "The Structure and Subject of Metaphysics Λ" Phronesis, 28, 1993, pp. 257-280.
17. "Aristotle's Physics: Teleological Method and Its Medieval Half- life" in Knowledge and the Sciences in Medieval Philosophy Proceedings of the Eighth International Congress of Medieval Philosophy, ed. Reijo ThEQ \O(o,")rinoja, Anja Inkeri Lehtinen, Dagfinn FEQ \O(o,/) llesdal, Helsinki, 1990, pp. 103-110.
16. "Aristotelian Physics: Teleological Procedure in Aristotle, Thomas and Buridan" Review of Metaphysics, 42, 1989, pp. 569-591.
15. "From Aristotle's Nature to Thomas' God: The Power of the Commentary," Ideas of Order in the Middle Ages. ACTA Vol. XV, April 1988, pp. 85-99.
14. "Albertus Magnus as Commentator on Aristotle's Physics" in Plato, Time and Education: Essays in Honor of Robert S. Brumbaugh, ed. B. Hendley, SUNY Press, 1987, pp. 261-270.
13. "Points, Lines and Infinity: A Response to the Paper of David Konstan" Boston Area Colloquium in Ancient Philosophy Proceedings, Vol. 3, University Press of America, 1987, pp. 33-43.
12. "Bonaventure's Delight in Sensation" New Scholasticism, LX, 1986, pp. 72-90.
11. "Philosophy as Text and Context" Philosophy and Rhetoric, XVIII, 1985, pp. 158-170.
10. "Examples, Arguments and Philosophies" Philosophy in the Community: Essays in Memory of Bertram Morris, University Press of America, 1984, pp. 68-82.
9. "Anselm's Use of Scripture and His Theory of Signs" Les Mutations socio-culturelles au tournant des XIe-XIIe siecles, Editions du centre national de la Recherche Scientifique, Paris, 1984, pp. 443-468.
8. "Why Fire Goes Up: An Elementary Problem in Aristotle's Physics" Review of Metaphysics, 38, 1984, pp. 69-106.
7. "Aristotle and Darwin: The Problem of Species" International Philosophical Quarterly XXIII, 1983, pp. 141-153.
6. "The Concept of Place: Aristotle's Physics and the Angelology of Duns Scotus" Viator: Medieval and Renaissance Studies, XIV, 1983, pp. 245-266.
5. "An Homeric Echo in Aristotle" Philological Quarterly, 61, 1982, pp. 329-339.
4. "Aristotle's Immaterial Mover and the Problem of Location in Physics VIII" The Review of Metaphysics, XXXV, 1981, pp. 321-335.
3. "De Memoria: Aristotle's Corrections of Plato" The Journal of the History of Philosophy, XVIII, 1980, pp. 379-393.
2. "God or Soul: The Problem of the First Mover in Physics VIII" Paideia: Special Issue on Aristotle, Winter 1979, pp. 86-104.
1. "Aristotle's First Movers and the Relation of Physics to Theology", The New Scholasticism, LII, 1978, pp. 500-517.
C. Book Reviews
34. Guilio Cesare Vanini (1585-1619): Un Philosophe Libertin dans l’Europe Baroque. (Paris: Honoré Champion ′Editeur, 2003) in Renaissance Quarterly LVII, 2004, 981-982.
33. The Proportions in Aristotle's Physics 7.5 (Stuttgart: Franz Steiner Verlag, 2002) in Archives internationales d’histoire des sciences [forthcoming].
32. The Dynamics of Aristotelian Natural Philosophy from Antiquity to the Seventeenth Century, C. Leijenhorst, C Lűthy, J. Thijssen, eds. (Leiden, New York, Kőln: Brill, 2002) in Archives internationales d’histoire des sciences 53, 2003, pp. 333-335.
31. A Map of Metaphysics Zeta by Myles Burnyeat. (Pittsburgh: Mathesis Publications, 2001) in The Review of Metaphsycis 2003, pp. 637-639.
30. Substantial Knowledge: Aristotle’s Metaphysics by C.D.C. Reeve (Indianapolic/Cambridge: Hackett, 2000) in The Review of Metaphysics, 2002, pp. 435-437.
29. Hegel and Aristotle by Alfredo Ferrarin (Cambridge University Press: New York, 2001) in The Review of Metaphysics 55, 2001, pp. 391-393.
28. Aristotle’s Theory of the Unity of Science by Malcolm Wilson (Phoenix [Journal of the Classical Association of Canada]. Suppl. 38) in ISIS, 93, 2002, pp. 104.
27. Scholastic Tradition and Humanist Inovation: The Concept of the Neutrum in Renaissance Medicine by Timo Joutsivuo (Helsinki: The Finnish Academy of Science and Letters, 1999)and Bruno, l'infini et les mondes by Antonella Del Prete (Paris: Presses Universitaires de France, 1999), in Renaissance Quarterly, 54, 2001, pp. 296-97.
26. Zeichen und Wissen: Das Verhaltnis der Zeichentheorie zur Theorie des Wisens und der Wissenschaften im dreizehnten jahrhandert by Michael Fuchs (Verlag: Munich, 1999) in ISIS, 92, 2001, pp. 159-160.
25. Aristotle Physics: Book VIII, translated with a commentary by Daniel Graham (Oxford: Clarendon Press, 1999) in Ancient Philosophy 20, 2000, pp. 224-228.
24. Aristotelian Explorations by G. E. R. Lloyd (Cambridge: Cambridge University Press, 1996) in Archives internationales d’histoire des sciences [forthcoming].
23. Order in Multiplicity: Homonymy in the Philosophy of Aristotle by C. Shields (Oxford: Clarendon Press, 1999) in The Classical Review 50 2000. pp. 147-148.
22. Aristotle on the Sense-Organs by T. K. Johansen (Cambridge: Cambridge University Press, 1998) in Ancient Philosophy 19, 1999. pp. 426-430.
21. An Approach to Aristotle's Physics: with particular attention to the role of his manner of writing by David Bolotin (Albany: State University of New York Press, 1998) in Ancient Philosophy, 18, 1998, pp. 496-498.
20. The Mirror of Alchemy: Alchemical Ideas and Images in Manuscripts and Books From Antiquity to the Seventeenth Century by Gareth Roberts (Toronto and Buffalo: University of Toronto Press; First published by the British Library, 1994). in Renaissance Quarterly, 51, 1998, pp. 266-267.
[19. Aristotle in Late Antiquity vol. 27: Studies in Philosophy and the History of Philosophy ed. by Lawrence P. Schrenk. (Washington: The Catholic University of America Press, 1994). in The Review of Metaphysics, forthcoming.]
18. Alexander of Aphrondisias On Aristotle's Metaphysics 4 trans. Arthur Madigan, S.J. (Ithaca: Cornell University Press, 1993) and Alexander of Aphrondisias On Aristotle's Metaphysics 5 trans. by William E. Dooley, S.J. (Ithaca: Cornell University Press, 1993) in The Review of Metaphysics, 48, 1995, pp. 883-884.
17. Simplicius: On Aristotle's Physics 7 trans. by Charles Hagen (Ithaca: Cornell University Press, 1994) and Philoponus: On Aristotle's Physics 5-8 with Simplicius: On Aristotle on the Void trans. by Paul Lettinck and J. O. Urmson (Ithaca: Cornell University Press, 1992) in The Review of Metaphysics, 49, 1995, pp. 167-170.
16. Simplicius, Corollaries on Place and Time, trans. by J. O. Urmson and annotated by Lucas Siorvanes, (Ithaca: Cornell University Press, 1992) in The Review of Metaphysics, 47, 1994, pp. 844-845.
15. Porphyry. On Aristotle's Categories, trans. by Steven K. Strange, (Ithaca: Cornell University Press, 1992) in The Review of Metaphysics, 47, 1994, pp. 422-423.
14. Women's Secrets: A translation of Pseudo-Albertus Magnus's De Secretis Mulierum with Commentaries. by Helen Rodnite Lemay, S.U.N.Y., 1992. The Review of Metaphysics, 47, 1994, pp. 830-832.
13. De Groot, Aristotle and Philoponus on Light. Garland Publishing, Inc., 1991. Ancient Philosophy, 14, 1994, pp. 190-192.
12. Aristote: Sur La Nature (Physique II) Introduction, traduction et commentaire par L. Couloubaritsis. Librairie Philosophique J. Vrin, 1991. Ancient Philosophy, 14, 1994, pp. 411-414.
11. Jochen Althoff, Warm, kalt, fluessig und fest bei Aristoteles: Die Elementarqualitaeten in den zoologischen Schriften. Hermes: Einzelschriften, 57. ISIS, 84, 1993, p. 788.
10. A. J. Minnis and A. B. Scott with David Wallace, Medieval Literary Theory and Criticism c. 1100-c.1375: The Comentary Tradition. (Revised Edition) Clarendon Press, Oxford, 1991. Review of Metaphysics, June, 1992, pp. 872-4.
9. William Charlton, Philoponus: On Aristotle On the Intellect, Cornell University Press, 1991. Ancient Philosophy, 13 (1993), pp. 231-234.
8. Philoponus and the Rejection of Aristotelian Science. ed. by Richard Sorabji. Ithaca: Cornell University Press, 1987. Ancient Philosophy 10 (1990) pp. 149-153.
7. Richard Dales, Medieval Arguments About the Eternity of the World, Brill, Leiden, 1989. ISIS, vol. 82, 1991, pp. 367-8.
6. Philoponus: Against Aristotle on the Eternity of the World, trans. by C. Wildberg. Cornell University Press, Ithaca, New York, 1987. "Summaries and Comments" in Review of Metaphysics, 1988, pp. 403-405.
5. S. Marrone, Truth and Scientific Knowledge in the Thought of Henry of Ghent, Speculum Anniversary Monographs, 11, Isis, 77, 1986, pp. 541-542.
4. Steven J. Livesey, Theology and Science in the Fourteenth Century: Three Questions on the Unity and Subalternation of the Sciences from John of Reading's Commentary on the Sentences. E. J. Brill, 1989. ISIS, 84, 1993, p. 370.
3. S. Marrone, William of Auvergne and Robert Grosseteste: New Ideas of Truth in the Early Thirteenth Century, Princeton University Press, 1983, The Journal of the History of Philosophy, 23, 1985, pp. 255-257.
2. John P. Anton and Anthony Preus, ed. Essays in Ancient Greek Philosophy, Vol. II, SUNY, at Albany Press, 1983 Isis, 75, 1984, p. 750.
1. E. Hartman, Substance, Body and Soul: Aristotelian Investigations, in the Journal of the History of Philosophy, XIX, 1981, pp. 500-502.
53. [“Body and Natural Things: Aristotle and The Subject of Physics”, Fourth Congress of the Gesellschaft für antike Philosophie: Body: Σῶμα and corpus in Ancient Philosophy and Literature. Oct. 7-11, 2013, proceedings to be published.]
52. “The Situation of Body in Proclus’ Elements of Theology”, Proclus in Istanbul, Istanbul, Dec. 20, 2012.
51.”’The Where’ and ‘the How much’ of Body: A case Study in the History of Physics” presented May 22, 2009 at conference The Temper of Evidence, California Insitute of Technology, Pasadena CA.
50. “Body and Place: Descartes’ Critique of Aristotelianism”, Renaissance Society of America, Annual Meeting, Los Angeles, April 2009.
49. “Body, Natural Things and the Science of Nature”, Boston University Department of Philosophy, Boston Area Colloquium in Ancient Philosophy, Feb. 2008.
48. “Aristotle and Thomas Aquinas on Natural Philosophy” faculty seminar Marquette University March 30, 2006.
47. “Reading Plato: Proclus and The Project of Neoplatonism”, invited lecture SIU, Carbondale IL, Feb. 23, 2005.
46. “Length, Breadth, and Depth of Body: A Problem of Some Dimension” invited lecture at the University of California, Santa Cruz, CA Jan. 2005.
45. “Thomas and the Science of Physics”, APA, Society for Medieval and Renaissance Philosophy, Dec. 2003, Washington, D.C.
44. “Perpetuity, Eternity and Time in Proclus’ Cosmos”, SAGP, Oct. 2003 Fordham University.
43. “The Importance of Classical Philosophy” plenary address Society for Ancient Greek Philosophy, Oct. 2003, Fordham University.
42. “Reading Philoponus As A Philosopher and Christian”, APA, December 2001 at International Society for Neoplatonic Studies: The Commentator Tradition.
41. "Neoplatonism and Christianity at the End of Antiquity", Classical Association, The University of Manchester, April 19, 2001.
40. "Intervals, Dimensions, and Extension: Philoponus on 'Where Things Are'", Twenty-Fifth International Conference on Patristic, Mediaeval, and Renaissance Studies, Villanova University, Villanova, PA, Sept. 23, 2000.
39. "From Interval to Extension: The History of a Technical Term in Ancient Physics" CNRS, Paris, May 2000.
38. "Ancient Greek Conceptions of Physics" Institute for Advanced Study, Princeton, March, 2000.
37. "Space, Place, and Extension: Where Things Are in Greek Philosophy", Dibner Institute for the History of Science and Technology, MIT, December 7, 1999.
36. “Philoponus’ Aristotle: The Extension of Place” at Keeling Colloquium “Whose Aristotle and whose Aristotelianism?”, University College, London, November 11-14, 1998.
35. "Place, Surface and Form: limits for physics, mathematics, and metaphysics" at Conceptual Origins of Science in Antiquity, The Boston Colloquium for the Philosophy of Science, Boston, September 24, 1998.
34. “The Union of Rhetoric and Philosophy in Anselm’s Cur Deus Homo” at the Anselmian congress, Rome, May 20-24, 1998.
33. “Language as Participation In Anslem’s Proslogion” at International Conference on Saint Anselm: Bishop and Thinker, Lublin, Poland, September 24-26, 1996.
32. "Topics and Investigations in Aristotle's Physics" Naissance De La Philologie Et Renaissance Des Savoirs La Physique D'Aristote, conference sponsored by the CNRS, Paris, June 24, 1995.
31. "Problems in Aristotle's Physics and Metaphysics" invited lecture at Fordham University March 27, 1995.
30. "Natures and Movers: Physics II, 1 And The History of Aristotelianism" XIX International Conference on Patristic, Mediaeval and Renaissance Studies, Villanova University, 7-9 October 1994.
29. "Physics IV, 8: A Vexed Argument in The History of Ideas", Colloquium, University of Pennsylvania, Sept. 30, 1994.
28. "Aristotle and The Problem of Motion in a Void" SSAGP, SUNY Binghamton, October 1993.
27. "'Faster' Need Not Mean 'Speedier'" Annual Thomas Aquinas Lecture, Stonehill College, April 15, 1993; Vassar College, April 22, 1993; The Boston Colloquium in Medieval Philosophy, Boston College, Sept. 28, 1993.
26. "Metaphysics Λ: Theology or the Science of Substance?" The Metaphysical Society of America, Notre Dame, March 1993.
25. "Why The Elements Imitate The Heavens: Metaphysics IX, 8, 1050b28-34", SAGP, Columbia University, New York, Oct. 25, 1992.
24. "Is Metaphysics Λ Theology?", invited lecture. Vassar College, Feb. 20, 1992.
23. "The Form of Argument in Aristotle's Metaphysics", SSAGP, Baruch College, New York, Oct. 24, 1991.
22. "Duns Scotus: Putting Angels In Their Place", SUNY Albany, Philosophy Department March 1991.
21. "Aristotle and Philoponus on Things Which Are By Nature", Union College, Philosophy Department, Jan. 1991.
20. "The Logic of Aristotle's Physics", lecture for the Philosophy Department of McGill University, April 1990.
19. "The Logic of Being", invited keynote address for the Metaphysical Society of America, Washington, D.C., April 1990.
18. "Aristotle and Philoponus on Things Which Are By Nature", lecture at the American Philosophical Society, Washington, D.C., Dec.1989.
17. "From Aristotle's Nature to Thomas' God: The Power of the Commentary" keynote address for ACTA Congress on "The Concept of Order in the Middle Ages and Early Renaissance" April 7-8, 1988, SUNY, Albany, NY.
16. "Aristotle's Physics: Teleological Method and Its Medieval Half-life", The Eighth International Congress of Medieval Science, August 23-27, 1987; Vassar College, "Philosopher's Holiday Lectures" November 1987; Metaphysical Society of New York, CUNY, February 1988; Philosophy Department, SUNY, Albany, NY, April 1988.
15. "Albertus Magnus as Commentator on Aristotle's Physics" The Classics in the Middle Ages, Center for Medieval Studies, SUNY, Binghamton, NY, October 16-18, 1986.
14. "Points, Lines and Infinity: Physics VI and Hellenistic Physics" respondent to lecture by Professor David Konstan, Professor of Classics, Wesleyan University, in the Boston Colloquium in Ancient Philosophy, Boston, MA, October 2, 1986.
13. "Participation in Thomas Aquinas" respondent to lecture by Professor J. Wippel, Professor of Philosophy, Society for Medieval and Renaissance Philosophy, APA, Boston, MA, December 1986.
12. "Suarez and the Origins of Modern Philosophy" Society for the Study of the History of Philosophy, February 14, 1985.
11. "Aristotle's Physics in the Twelfth Century" Delaware Medieval Association, October 25, 1984.
10. "Philosophy and Scripture: Reason and Authority" Public Lecture at Greater Hartford Community College, October 1983.
9. "The Unity of Philosophy and Theology According to Bonaventure" P.M.R. Conference at Villanova University, September 1983.
8. "Philosophy as Text and Context" XVIIth World Congress of Philosophy, Montreal, Canada, August 1983.
7. "Anselm's Use of Scripture and His Theory of Signs" invited lecture Centre National de la Recherche et d'Historie des Textes. Colloque International: Etudes Anselmiennes, Abbaye du Bec, Normandy 11-16 July, 1982; University of Colorado, Committee on Medieval Studies, October 1982.
6. "God, Certainty, and Skepticism in Late Medieval Neoplatonism", Medieval and Renaissance Studies Committee, Trinity College, November 23, 1981.
5. Respondent to Lecture: "The Myth of Mental Illness in its Solomon Maimon Version" National Laor, M.D., Ph.D., Yale University, Department of Psychiatry. November 12, 1981, Elmcrest Center, Portland, CT.
4. "The Concept of Place: Aristotle's Physics and the Angelology of Duns Scotus" Philosophy Department, Trinity College, Hartford, CT, March 1980; Colorado College, March 1982; University of Colorado, March 1982.
3. "Aristotle and the Problems of Species: Species for Sensation, Science and Philosophy" University of Colorado, Colloquium in the History of Science, March 1978; University of Connecticut, March 1979.
2. "Aristotle and the Proofs of a First Mover in the Physics", University of Denver, March 1977.
1. "The Relation Between Physics and Metaphysics According to Aristotle" University of Texas at Arlington, February 1977.