Before him there was John Mack, the Harvard professor who turned serious attention toward alien abduction stories and was the world's leading authority on them.

https://en.wikipedia.org/wiki/John_E._Mack#Psychology_of_ali... https://www.pbs.org/wgbh/nova/aliens/johnmack.html https://www.nytimes.com/1994/03/20/magazine/john-mack.html