Linda Powell is author of Against the Odds: Major Donald E. Keyhoe and His Battle to End UFO Secrecy. Since 2015, she has been a news editor for The Anomalist.

Jacques Vallée is a computer scientist, venture capitalist, and UFO researcher. He is author of many books including Passport to Magonia, The Invisible College, Messengers of Deception, Dimensions, Revelations, Confrontations, Forbidden Science (in four volumes), Stratagem, and (coauthored with Paola Harris) Trinity: The Best Kept Secret.