Hall spoke at the 1968 symposium on how rumours and mass belief work, and why that alone did not explain the reports he had looked at.
Hearings
Testified alongside
J. Allen HynekJames E. McDonaldCarl SaganJames A. HarderRobert M. L. Baker Jr.
UFOs
UFO sightingsFamous cases worldwideCanada sightings mapGreece close encountersAir Force Blue Book filesOfficial releasesHearings and testimonyUFO files by countryMilitary encountersHall spoke at the 1968 symposium on how rumours and mass belief work, and why that alone did not explain the reports he had looked at.
J. Allen HynekJames E. McDonaldCarl SaganJames A. HarderRobert M. L. Baker Jr.