Talbot, William Henry Fox Talbot (1800 - 1877) - English chemist and physicist, inventor of the negative-positive process in photography, that is, a way to obtain a negative image on photosensitive material from which you can get an unlimited number of positive copies: (calotypes from the Greek words kalos - beautiful and typos - imprint), later it was given the name tolotype, born on February 11, 1800 in Melbury Abbas (Dorset county), studied first with private teachers, then at Harrow, graduated from Trinity College of Cambridge University He studied mathematics, botany, crystallography,...