the camera obscura was first mentioned by Mozi who was a Chinese philosopher during the 5th century bc. He was a scientist, mathematician, astronomer and philosopher. He wrote the book of optics.

Nicephore Niepce developed heliography which he used to make the oldest surviving product of a photographic process.

Louis Daguerre was the inventer of the Daguerreotype which was the first type of modern photography.

daguerreotypes was the first commercial succesful photgraphic process.

henry fox talbot created calotypes using a sheet of paper covered in silver chloride then exposed it to light in a camera obscura where the light touched became dark.

Richard Maddox is known for his invention of lightweight gelatin negative plates for photography.

George Eastman founded the Eastman Dry Plate and Film Company. he sold the first camera the kodak in 1888 with only a 100 exposures.

Kodak (Brownie) sold for one dollar and sold 100,000 in the first year. the brownie helped start amateur photography.

the first film in a roll and flexible was made by george eastman in 1885.

in the 1950 modern digital photography. the first digital image that was produced through a computer by Russell Kirsch, it was a picture of his son.