Black & White Photography History

Through a camera that reflects society and life, reproduces the world‘s truth and beauty, and it always achieves a kind of information and emotional exchange. Photography is not only a technology to help people record their memory, but also is a witness to history. Photography is really important to invest in human history and art history, and in chapter 1, we comprehend the history of photography and realized some important inventors who help photography develop a lot. Now I will introduce those great scholars in this passage.

The first intellectual is Carl Wilhelm Scheele who is a chemist and he is the first person to state the action of light on silver salts which is the basis of modern photography. He noticed the effect of light on the insolubility of silver chloride and black chloride in ammonia findings which turned out to be important for photography.

He even does not know he had a great influence on photography, but he played a key role in early photography.

The second guy is Joseph Nicephorus Niepce who is the first successful photographer in this world. He called the solar etching method, which USES sunlight to permanently record images on glass and metal plates. Experiments were carried out in 1793 to preserve images permanently with photographic materials, and in 1822 glass plates coated with tar were used as photographic materials. Then apply to print, placed in the sun exposure to imaging. And then, the third inventor is Louis Jacques Mande Daguerre who is Joseph Nicephorus Niepce’s friend.

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When he was about thirty-five, he designed the peepshow, which USES special effects of light to show panoramic pictures. In doing so, he became interested in a landscape device that automatically recreates the world — in other words, a camera — without the use of a brush or pigment. Daguerre’s previous efforts to create a working camera were unsuccessful. In 1827 he met Joseph Nicephorus’s niece, and he had been trying to invent the camera, and in a sense, he had succeeded.

Two years later they became partners. Niepce died in 1833, but Daguerre continued his efforts. In 1837 he succeeded in inventing a practical form of photography called daguerreotype. In 1839, the French government bought the patent right to the invention and officially announced it on August 19 of the same year, so this day is the birth of photography. At the time, this method required 20 to 30 minutes of exposure to take a picture, William Henry Fox Talbot was an English chemist and mathematician. He is the inventor of the negative. On August 19, 1839, the French Academy of sciences and arts purchased the patent for daguerreotype photography and made the process public, announcing the birth of photography. Events forced Talbott to speed up his photographic work, which he had been doing since 1834. He had been working on images on sensitive materials, but he put it aside and continued to work on optical and spectral analysis.

To establish his technical superiority, talbot exhibited at the Royal Academy his light-painted images, printed by direct contact and captured by the camera in 1835, though he did not realize the importance of the exhibition, which preceded the French proclamation. The images and Daguerre photography method, Talbot works has more details, and exposure time is shorter, combined with the Talbot realized his technology has greater potential, makes it continue to experiment, soon gained more perfect negative – understand the process, he called this method carol photography method, the resulting film can be copied many times, laid the modern photography process of negative to positive. In 1841, Talbot formally applied for the patent of Carlo photography in Britain.