UFO Lecture:
“Science in Default:
Twenty-Two Years of Inadequate UFO Investigations”
by James E. McDonald,
Professor of Atmospheric Sciences,
The University of Arizona, Tucson, Arizona
(American Association for the Advancement of Science,
134th Meeting, General Symposium, Unidentified Flying Objects, 27 December 1969)
The UFO symposium was held in Boston, Massachusetts on 26-27 December 1969:
http://puhep1.princeton.edu/~mcdonald/JEMcDonald/mcdonald_aaas_69.pdf
The document is presented by Princeton University (Princeton, New Jersey).
The late Dr. James E. McDonald,
U.S. Physicist &
UFO Researcher
(wikimedia.org photo)