Timeline of camera’s and photography

• In 1725 Johann Heinrich Schulze makes fleeting "photographs" of words by using stencils, sunlight, and a bottled solution of chalk and silver nitrate. This demonstrated that the mixture inside the bottle darkens where it is exposed to light.

• In 1800 Thomas Wedgwood discovered how to create pictures (camera images) by using a durable surface coated with a light-sensitive chemical. But he only succeeded in producing silhouettes and other shadow images, and is unable to make them permanent.

• In 1816 Nicéphore Niépce succeeded in making negative photographs of camera images on paper coated with silver chloride, but could not "fix" them from darkening all over when exposed to light for viewing.

• In 1826 Nicéphore Niépce makes what is now the earliest surviving photograph from nature,a landscape. It requires an exposure in the camera that lasts at least eight hours and probably several days.

• In 1839 Louis Daguerre publicly introduces his daguerreotype process, which produces highly detailed permanent photographs on silver-plated sheets of copper. At first, it requires several minutes of exposure in the camera, but later improvements reduce the exposure time to a few seconds. Photography suddenly enters the public consciousness and Daguerre's process is soon being used worldwide.

• In 1848 Edmond Becquerel makes the first full colour photographs, but they are only laboratory curiosities: an exposure lasting hours or days is required and the colours are so light-sensitive that they sometimes fade right before the viewer's eyes while being examined.

• In 1861 James Clerk Maxwell created the first colour photograph that is perminant.

• An 1877 photographic color print on paper by Louis Ducos du Hauron. The irregular edges of the superimposed cyan, red and yellow components can be seen