Beliefs regarding the nature of aliens and the purpose of their visits to Earth have undergone multiple changes since the inception of the UFO movement in the late 1940s.

Authors

• Person: Not available Organization: Chapman University
  The UFO Contact Movement from the 1950's to the Present

Sources

• The UFO Contact Movement from the 1950's to the Present digitalcommons.chapman.edu Chapman University via serper

Referenced by nodes (1)

• aliens concept