The incredible story of 3D Systems (DDD) is really the story of the beginning of an entire industry. You see it was Chuck Hull, the co-founder and CTO of DDD, who invented Stereolithography and printed the world's first-ever 3D printed part in 1983, changing the world forever.
From Industry Week
Today, 3D printing is commonplace, used in everything from automobile manufacturing to space exploration. The technology even save lives by allowing for miracle inventions like 3D printed heart valves. Mr. Hull's invention changed the world and his company 3D Systems lives on