Introduced by Brad Steiger in his 1976 book Gods of Aquarius, it argues that certain people originated as extraterrestrials and arrived on Earth through birth or as a walk-in to an existing human body.
Proposed by Brad Steiger in his 1976 book Gods of Aquarius, this idea suggests that some people are actually beings from outer space who came to Earth either naturally or by assuming the identity of an existing human being.