ALBAWABA - Renowned Italian chemist Francesco Rivella, best known for working hand in hand with Ferrero to create the world's most famous chocolate spread, Nutella has died at 97 on Valentine's Day, according to his family. Crowned the "Father of Nutella," Rivella was a widowed father of four who worked with Ferrero for more than 40 years in Italy's Alba. The famous chocolate hazelnut spread originated in a small pastry ...