THEORETICAL FRAMEWORK

In the pages devoted to the history of photography, a detailed study spanning from its beginnings to the XXI century itself and includes the study of the different events, characters and photographic genres that have influenced the development of these two centuries the history of photography.However, in the early nineteenth century all these inventions were forgotten, so will have to rediscover.The photography was born in France at the time of transition from pre-industrial society to industrial society, aided by the technical innovations of the time. It also influences birth positivist philosophy, which states that each element of nature must be tested empirically. The bourgeoisie is the dominant social class time, using the portrait as a means of social ascent, to equip or try to improve the painting of the nobility.