About the film
Mole Man is a 2017 documentary film about Ron Heist, a 66-year-old autistic man who spent the preceding five decades building a 50-room structure in his parents’ backyard. The film was directed by Guy Fiorita and produced by James DeJulio, Cassidy Hartmann and Nicholas Ferrall.
From the film's Wikipedia article (CC BY-SA 4.0).