Though he was trained as a painter, Gustave Le Gray made his mark in the emerging medium of photography. An experimenter and technical innovator, Le Gray pioneered the use of the paper negative in France and developed a waxed-paper negative that produced sharper-focus prints.

Gustave Grey was born in August 30 1820 and died on July 30 1884 Gustave Grey was know as on of the most important French photographers of the eighteenth century he was noted as a teacher for some other great photographers. he
pioneered the use of the paper negative in France and developed a waxed-paper negative. this is why he is known in photography history for his innovation in the early days of photography.