Thomas Wedgewood(1820) - He made the first reliably documented unsuccessful attempted of producing photographs.
Joseph Nicephore Niepce of France(1816) - He succeeded several days of exposure in the camera were required. He took the world first photography called Heliography.
John W. Herschel - Father of Photography and he coined the word photography.
William Henry Fox Talbot(1839) - He is the father of modern photography, he invented the "CALOTYPE(BASED PAPER)" which produres a negative picture on a paper, the light on the image will recorded as darks, the darks as lights.
EdwinH.land(1947) - Introduced polaroid the one step photography
Steve Sasson(1975) - An american electrical engineer who invented the digital camera
Isaac Newton1666 - An english philisopher, mathematician, and physicist who discovered and proved that the strongest light is white light.