THE beloved "inventor" of Nutella has died aged 97 after helping to create the world-famous hazelnut spread. Ferrero chemist Francesco Rivella passed away on Valentine's Day - exactly 10 years after the death of Ferrero founder and Francesco's "right-hand man," Michele Ferrero. 4 Ferrero chemist Francesco Rivella passed away on Valentine's Day Credit: Facebook 4 Dubbed the 'father of Nutella' by Italian media, Rivella contributed to the creation of the beloved hazelnut spread Credit: YouTube 4 Francesco Rivella worked in Ferrero’s 'chemistry room', where some of the brand’s most iconic creations were born Credit: Alamy Dubbed the “father of Nutella,"...