Mark H. Gaffney is an environmentalist, peace activist, researcher, and the author of The 9/11 Mystery Plane and the Vanishing of America; The First Tree of the Day; Gnostic Secrets of the Naassenes and Dimona, the Third Temple? His articles and essays have appeared in numerous journals, magazines, and newspapers. Mark holds a B.S. degree in physical science from Colorado State University. He lives in Chiloquin, Oregon.