Kurt Sperry: "Pretty much everything the internet knows about the company can be found here- http://www.disraeligears.co.uk/Site/Gambato_derailleurs.html ... the firm appears to have begun in Padova,... founded perhaps by an ex-Campagnolo employee named Marcello Gambato. This company seems to have evolved into the later and much better known Gian Robert firm, and at some point a presumably related firm bearing the name Gambato came into being in Argentina and seemingly hung on until the nineties. "