Nutella fans have been blown away after discovering why the "N" in the chocolate and hazelnut spread's logo is black - after its creator died aged 97 on Valentine's Day. Francesco Rivella ...

Francesco Rivella worked in Ferrero’s 'chemistry room', where some of the brand’s most iconic creations were bornCredit: Alamy Dubbed the “father of Nutella," Rivella contributed to the crea ...