Update on the ‘Mars Effect’ Suitbert Ertel From: Volume 16, No. 2 Winter 1992 ShareTweet p50 ShareTweet Suitbert Ertel Suitbert Ertel is professor emeritus at Georg-Elias-Muller-Institut fur Psychologic Gottingen, Germany. E-mail: sertelQbunigoettingen.de. See more articles ShareTweet This article is available to subscribers only. Subscribe now or log in to read this article.