Eastman was an American industrialist, inventor, and philanthropist. Interested in photographic processes from an early age, he invented roll film in 1884 and perfected a camera designed to use it, called the Kodak camera. In 1892, he established the Eastman Kodak Company and began to mass produce his inventions, transforming photography from an expensive hobby of the few to a relatively inexpensive, popular pastime. What was his contribution to the development of motion pictures? Discuss
Source: The Free Dictionary