(March 3, 1847 - August 2, 1922)
Alexander Graham Bell was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
(July 12, 1854 - March 14, 1932)
George Eastman was an American innovator and entrepreneur who founded the Eastman Kodak Company and invented roll film, helping to bring photography to the mainstream. Roll film was also the basis for the invention of motion picture film in 1888 by the world's first filmmakers Eadward Muybridge and Louis Le Prince, and a few years later by their followers Léon Bouly, Thomas Edison, the Lumière Brothers and Georges Méliès.