UFOs A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Aerial Phenomena Research Organization (APRO) Jim and Coral Lorenzen at APRO's headquarters in 1955 An amateur group, founded in 1952 by Jim and Coral Lorenzen, to study the phenomenon of unidentified flying objects. Its great ufology rival, a few years later, was the National Investigations Committee on Aerial Phenomena. Related category    • UFOs Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP