Follow-up Putting a Better Face on the ‘Face’ on Mars Gary P. Posner From: Volume 25, No. 3 May / June 2001 ShareTweet Gary P. Posner Gary Posner, M.D., is founder of Tampa Bay Skeptics and a CSI scientific consultant. His website is gpposner.com. See more articles This article is available to subscribers only. Subscribe now or log in to read this article.