Robert Clotworthy Giorgio A. Tsoukalos David Childress Robert R. Cargill Michael Cremo Erich Von Däniken George Noory Sara Seager Robert Bauval Philip Coppens
Bernie Anderson Paul Bader Jon Berberian Dorman Bermingham Terry Borton Armando Cabrera George Christ Chapin Cutler Lou DiCresenzo Robin Doty Bill Duelly Mitchell Dvoskin Jack Fanning Matt Franks Walter Gonet