—”Galileo’s Lute and the Law of Falling Bodies” presented at the AAS (American Astronomical Society) and ASP (Astronomical Society of the Pacific) Symposium for the International Year of Astronomy, June 2-5, 2008.

“You clearly enjoy what you are doing, you do it well, and give people some personal sense of Galileo and his times that is, I feel, very important - and not just in 2009.”

Christopher J. Corbally, S.J.

Vice Director of the Vatican Observatory for VORG

—Appeared as Galileo in JPL’s “Jupiter, in Myth, History, & Science” at Pasadena City College, December 30, 2000 commemorating the Dec. 30 flyby of Jupiter by NASA’s Cassini Spacecraft.

—Special Surprise Guest Speaker as “Galileo” at Astrocon 2000, 54th Annual Convention of the Astronomical League, July 19-22, 2000 in Ventura, California.

“Mark’s compelling presentation made the audience feel as it was actually experiencing a visit with the famous scientist and one of the Fathers of Modern Astronomy. According to Galileo, the Bible tells us how to go to heaven, not how the heavens go.” Ed Flaspoehler, Vice President, AAS

—University of Nevada, presented by UNLV’s departments of philosophy, history, music and theatre. University of Las Vegas, Nevada , May 6, 1998.
—”An Evening With Galileo“, presented by Provost Lecture Series of Bloomsburg University, Pa. November, 24, 1998.

“Galileo lives again. Audience falls under lecturer’s spell.” Chris Krepich, Press Enterprise

—”An Evening With Galileo“, presented by El Camino College, California. September 25, 1997.

“Mr. Thompson is very enthusiastic and has created this character in a remarkable fashion in both dialog and costume.” Bruce Fitzpatrick, Ed.D– Associate Dean, Math/Physical Sciences