There are inventions that have become so ingrained in our daily lives that they have almost erased the memory of their inventors. For nearly a century, the bumper sticker has been a staple of election campaigns, sporting events, charitable initiatives, and advertising messages, to the point that it has become one of the symbols of American popular culture. Not everyone, however, knows that it was Forest Gill, founder of Gill Studios, who – in 1934 – transformed a simple idea into a product destined to make history.    

Ninety years later, that same spirit continues to define the company, which Gill founded in the basement of his home in Lenexa, KS, USA. Today, it is recognized as one of the leading US manufacturers of stickers, adhesive labels, magnets, plastic cards, and…