Stefan Gates Stefan Gates AKA The Gastronaut is an author, presenter, and self-professed Food Adventurer with the mission to make food fascinating. The author of seven books on food and science, including Incredible Edibles and Gastronaut, Stefan has also produced and appeared in more than a dozen TV shows including Food Factory, Gastronuts, Newsnight, and This Morning, as well as the documentary Can Eating Insects Save the World?.