when was the permanent photograph invented and by whom?
NicÃ©phore NiÃ©pce. NicÃ©phore NiÃ©pce (born Joseph NiÃ©pce; 7 March 1765 â 5 July 1833) was a French inventor, now usually credited as the inventor of photography and a pioneer in that field. NiÃ©pce developed heliography, a technique he used to create the world's oldest surviving product of a photographic process: a print made from a photoengraved printing plate in 1825.