Mary Knapp has been affiliated with the Merchant's House Museum since 1995. She has co-authored with her husband, Herb, One Potato, Two Potato: The Folklore of American Children (W.W. Norton, 1976) and Red, White, and Blue Paradise (Harcourt Brace Jovanovich, 1984), a memoir of the couple's years living and teaching in the Panama Canal Zone. She lives in New York City and blogs at www.hintsandechoes.wordpress.com.