Donald E. Keyhoe wrote the book 'Aliens from space; the real story of unidentified flying objects', which posits the existence of extraterrestrial visitors.

Authors

• Person: Not available Organization: Wikipedia
  Unidentified flying object - Wikipedia

Sources

• Unidentified flying object - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (3)

• unidentified anomalous phenomenon concept
• extraterrestrial visitation concept
• Donald Keyhoe entity