The greatest inventions tend to go unnoticed. It's not so much that they are frivolous or dispensable; rather, they are so essential that they merge instantly into the fabric of daily life while their discoverers go unremarked. Sometimes a discovery transforms a landscape, sometimes it's just a phrase, but the world is never quite the same afterward. Herewith a gallery of inventors we lost in 1994, quirky visionaries whose cry of "Eureka" would change Americans' lives. MARCEL BICH...

The greatest inventions tend to go unnoticed. It's not so much that they are frivolous or dispensable; rather, they are so essential that they merge instantly into the fabric of daily life while their discoverers go unremarked. Sometimes a discovery transforms a landscape, sometimes it's just a phrase, but the world is never quite the same afterward. Herewith a gallery of inventors we lost in 1994, quirky visionaries whose cry of "Eureka" would change Americans' lives. MARCEL BICH...