Carolyn Wyman is the ultimate authority on just-folks foods. She is the author of Spam: A Biography, Jell-O: A Biography and Better than Homemade and has talked or written about these topics on NPR’s Morning Edition and Fresh Air, The Rosie O’Donnell Show, The New York Times and the Los Angeles Times. She also reviews new grocery products in the nationally syndicated Supermarket Sampler newspaper column, and gives food tours at Philadelphia’s Reading Terminal Market. She lives less than a mile from Pat’s, Geno’s, John’s, Philip’s and Tony Luke’s.