An interview with "After the Flying Saucers Came" author and Penn State history professor Greg Eghigian about the history of the UFO phenomenon and those who study it.
Take a deep dive into UFO history in 'After the Flying Saucers Came' by Greg Eghigian (exclusive)
Source: space
Source Link: https://www.space.com/after-the-flying-saucers-came-greg-eghigian