'He just didn't wake up this morning. It was a peaceful death,' Giorgio Gazzaniga said on Monday, adding his father had been in hospital recently for a series of minor ailments.
'The World Cup is a mythic object for the players and for all football lovers,' FIFA President Gianni Infantino said. 'We will be eternally grateful. I express my condolences by joining the pain of the family.'
The 18-carat solid gold trophy weighs approximately six kilograms. It depicts a moment of joy - two players celebrating with their arms outstretched and a globe resting on the backs of their shoulders.
'The lines spring out from the base, rising in spirals, stretching out to receive the world,' Gazzaniga once said, according to FIFA's website.
'From the remarkable dynamic tensions of the compact body of the sculpture rise the figures of two athletes at the stirring moment of victory.'
FIFA received 53 proposals from seven different countries for a new trophy, before opting for Gazzaniga's design.