Father Gregory Keller, seen here around 1924, served as a parish priest while making inventions for his brother-in-law’s candy company in Georgia. Keller, a native of Little Rock, Ark., had a hand in ...

Walk into any store during December, and you'll spot them instantly—those red-and-white striped hooks of peppermint sweetness hanging from Christmas trees, tucked into stockings, and decorating ...