This is one of the earliest known photographs of a human. A self portrait taken in 1839, it shows a young Robert Cornelius (1809-1893) standing outside his family’s lamp-making shop in Philadelphia. Cornelius was an American of Dutch descent whose knowledge of metallurgical chemistry was to help in perfecting the process of silver-plating, then employed in the production of daguerreotypes. It had previously been assumed that the time necessary for a photograp
A photograph of a window at Lacock Abbey, Wiltshire, England. Taken in 1835 by Henry Fox-Talbot. This is a print from the earliest existing photographic negative. (The earlier Niépce/Daguerre process was based on a "positive" image created directly on to a metal plate).