George Eastman and Andrew Carnegie were captains of industry because they were leaders of their industry and philanthropists. George Eastman was a leader of the industry photography and cameras, and made taking pictures much easier. Eastman learned the wet plate method for taking pictures that had been used for many years, which required a lot of equipment. He thought that there had to be an easier way to take pictures. So Eastman studied the method the British were doing which was using a gelatin emulsion on the glass plates that could be used after it dried. Eastman decided to take this method one step further. Instead of using glass plates, he used paper with the gelatin coating. Eventually, he created a roll of film that could be placed