George Eastman was 15 years old. The young George left school early and started working to help support the family. As Eastman began to have success with his photography business, he vowed to repay his mother for the hardships she had endured in raising him. In 1884, Eastman patented the first film in roll form to prove practicable; he had been tinkering at home to develop it. In 1888, he perfected the Kodak Black camera, which was the first camera designed to use roll film. In 1889 he first offered film stock, and by 1896 became the leading supplier of film stock
Kodak Stereo Camera stereo viewers for several years after it stopped producing the Kodak stereo camera. Kodak stereo camera users could continue to use the Kodak mounting service into the late 1980s. Most third party support which Realist users enjoyed, including accessories and supplies, could be used with the Kodak stereo camera. It is nearly impossible to determine which camera was used to produce a mounted stereo slide after the fact, but at least some of the stereo slides now eagerly sought by collectors were snapped with a Kodak, including many taken after 1959. Kodak has not produced a stereo camera since 1959