Here is a list of talks at conferences that I have given over the past 20 years or so.
| Date, and Location | Description of My Talk |
| Dec. 1990, TNCC; Division of Natural Science and Math. | "Chaos and Fractals" |
| April 1991, TNCC.VMATYC | "Fractals and Chaos" |
| Feb. 1992, TNCC | "The Egyptian Book of the Dead" |
| Feb. 1992, Appomatax High School | "Fascinating Fibonaccis" |
| Feb. 1993, Thomas Nelson Community College | "The Golden Ratio in Nature Art and Architecture" |
| Oct 9, 1993 TNCC Science Club | "Chaos" |
| Jan. 1994, TNCC; PCTM Conference | "Non Euclidean Geometry and the Universe" |
| April 1994, Blue Ridge CC; VMATYC | "A Math Professor attends a Physics Conference". |
| Feb. 1995, Thomas Nelson Community College; Pen. Council of Math. | "Making Math Connections with Science |
| April 1995, Thomas Nelson Community College; MAA-VMATYC: Spring Conference | "Quarks and Quasars; Quandries for the Math Instructor" |
| Nov. 1995, TNCC; Engineering and Science Club | "Chaos Lecture" |
| March 1996, VCTM 20th Annual Conference | "Mathematical Physics for Middle School" |
| March 1996, Halton College(United Kingdom) | "Chaos in a Differential Equations Classroom" |
| April 1996, Randolph Macon College; MAA: Spring Conference | "Quantum Mechanics as an honors project for Linear Algebra and Diff. Eq. classes." |
| Oct 5, 1996 TCTM | "Chaos in the classroom" |
| November 1996, Hood College; MAA Fall Conference | "Non Euclidean Geometry and the Universe" |
| April 1997, MAA Spring Conference; College of William and Mary | "Symmetry and Beauty in Math and Physics" |
| Oct 24, 1997 VMATYC at TNCC | "Inventing New Functions-using software-how far can we go?" |
| November 1997, MAA Fall Conference; Mt. Saint Mary's | "Mathematical Cosmology" |
| April 1998, Central Va. Community College; VMATYC: 12 Annual | "Hyperspace-Superstrings, Beyond Einstein and Hawking" |
| June 1998, New Horizons Gov. School for Science and Technology | "Mathematical Physics for High School students" |
| October 1998, J. Sargeant Reynolds CC; VMATYC: Eastern Regional Conf. | "Quantum Mechanics in a Differential Equations Class" |
| November 1998, Towson University Maryland; MAA Fall 1998 Conference | "Superalgebra" (SUSY) |
| April 1999, James Madison University; MAA | Hot Topics in Mathematics Course |
| April 1999, Paul D. Camp Community College; VMATYC | The Mathematical Character |
| June 1999, Hampton Va; SOS for the SOL | The Mathematical Character |
| Fall '1999, TCC Norfolk; VMATYC | Einstein's Theory of Gravitation |
| Winter 2000, Washington D.C., Joint AMS-MAA National | 4 hr. Minicourse - Modern Physics & the Mathematical World (see below for details) |
| April 2000, Brandeis Women's Club | "An Aspect of Zen" |
| October 6 2000, Fall Conference VMATYC; J Sargeant Reynolds | What the Ancient Egyptians really knew about math... |
| October 28 2000, PenCTM Math Conference; TNCC | Golden Ratio and Fibonacci Numbers (Math and Myth) |
| November 4 2000, AmerAssoc Physics Teachers; TCC | Modern Physics and the Mathematical World, A New Course |
| November 18 2000, MAA Fall; American University | A Math Professor Attends a Physics Conference |
| February 6 2001, Hampton University (Math Department) | Fiber Bundles |
| March 14 2001, TNCC | Ancient Egyptian Book of the Dead |
| April 20,21 2001 VMATYC Roanoke Va. | What Ancient Babylonians Knew About Math |
| October 20 2001, Virginia Tech | FiberBundles |
| April 13 2002, NVCC Alexandria, Va. | Suprises in Mathematics |
| Fall 2002, VMATYC Conference; TNCC | Logic, Infinity, and Insanity |
| Fall 2002, PenCTM Math Conference; TNCC | Logic, Infinity, and Insanity |
| November 2002, MAA; University of Maryland | God's Beautiful Equations |
| Nov 17, 2001. PenCTM at TNCC | Some Mathematical Surprises |
| April 12, 2003 MAA, Norfolk State | Monstrous Moonshine |
| August 31, 2004. TNCC | Stephen Hawking’s Universe |
| October 27, 2004.Hampton University | Monstrous Moonshine |
| Nov 5, 2004. VMATYC TCC | Advanced Trigonometry |
| MAA Spring 2005 Meeting.April 1,2 at UVA | Topology in Physics |
| Oct 12th 2005 Hampton U. Math Dept | Clifford Algebras |
| VMATYC Fall 2005 Oct 21 Tidewater Cc | Sir William Rowan Hamilton "Quaternions" |
| Spring 2006 20th VMATYC; Germanna CC | Eureka Experience |
| Oct 14,2006 VMATYC TCC Va. Beach | The absolutely most important application of Linear Algebra and it's not in the texts |
| MAA Fall 2006 Nov3,4 Hampden-Sydney and Longwood | A Physics-Math (Bilingual) Dictionary; fiber bundle-gauge theory connection |
| Spring 2007 April 14, 2007 VMATYC Conference at TNCC | What's the Problem THE Problem; 'Riemann Conjecture' |
| April 4,2007; TNCC English 195 Topics in English | Mathematical Models as representations of Reality |
| April 19, 2007 TNCC Philosophy and Religion Club | The Ancient Egyptian Book of the Dead |
| Fall 2008 VMATYC | Monsters and Moonshine |
| Feb 5, 2008 Hampton University | Some Mathematical Aspects of String Theory |
| April 5 2008 22nd annual VMATYC Piedmont CC | Crime, Math and the Law |
| Oct 24 2008 VMATYC J. Sargeant Reynolds | The Poincare Conjecture |
| Nov 7,8 2008 MAA Hood College | Topology of the Universe |
| Nov 22, 2008 AMATYC National Annual, Washington D.C. | Euler at 301 |
| April 4, 2009 VMATYC; New River C.C. Dublin, VA | An Almost 100 Year Old Algebra Text Ramanujan |
| April 17, 2009 SIAM Conference at ODU | Topology Change, Thurston's Geometrization Conjecture and the Universe |
| April 18,2009 MAA Regional at Mary Washington University | Topology Change, Thurston's Geometrization Conjecture and the Universe |