Op-Ed Concerning the Right to Persecute Heretics Stephen D. Mumford From: Volume 12, No. 2 Spring 1992 ShareTweet Stephen D. Mumford Dr. Stephen D. Mumford is president of the Center for Research on Population and Security. For more than two decades, his principal research interest has been the relationship between world population growth and national and global security. See more articles This article is available to subscribers only. Subscribe now or log in to read this article.