Dr. Jack E. McCallumDr. Jack E. McCallum holds a Bachelor of Science degree from Georgia Institute of Technology, a master's in history from Texas Christian University, a Doctorate in Medicine from Emory University, and a Doctorate in History from Texas Christian Univerity. He has board certification in both adult and pediatric neurosurgery and has held teaching appointments in medicine and history at several universities and has been founder and chief executive officer of four successful companies. He has published two books and numerous articles dealing with both medicine and history and taught history at the graduate and undergraduate level for seventeen years. Read More Read Less