Matthew Crawley (as Dr. John Kellogg) on 'The Food That Built America' in an episode that aired in 2019. History Channel/Courtesy Everett Collection Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Nonfiction TV producers at the companies behind unscripted series 90 Day Fiancé, To Catch a Smuggler and The Food That Built America have ratified new union contracts.