Adriano de Paiva Brandão (Conde de Campo Belo) - José Alberto Nunes

Adriano de Paiva (1847–1907) was a Portuguese

scientist A scientist is a person who conducts Scientific method, scientific research to advance knowledge in an Branches of science, area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, ...

who was one of the pioneers of

telectroscope : The telectroscope (also referred to as 'electroscope') was the first conceptual model of a television or videophone system. The term was used in the 19th century to describe science-based systems of distant seeing. The name and its concep ...

. He worked at the Politechnical Academy of Porto and conducted research into selenium as a material to

transmit Transmit is a file transfer client program for macOS. Developed by Panic, Transmit is shareware. After a seven-day trial period, the product can only be used for seven-minute sessions until it has been purchased. Originally built as an FTP client ...

image An image is a visual representation of something. It can be two-dimensional, three-dimensional, or somehow otherwise feed into the visual system to convey information. An image can be an artifact, such as a photograph or other two-dimensiona ...

s. His work followed the discovery of photoconductivity in selenium by

Willoughby Smith Willoughby Smith (6 April 1828, in Great Yarmouth, Norfolk – 17 July 1891, in Eastbourne, Sussex) was an English electrical engineer who discovered the photoconductivity of the element selenium. This discovery led to the invention of photoelec ...

in 1873. In the 19th century he suggested the use of a chemical that would enable images to be transmitted at a considerable range.

References

* Adriano de Paiva,

* A small article concerning Portuguese scienc

Portuguese physicists Television pioneers 1847 births 1907 deaths People from Braga Videotelephony {{Europe-tv-bio-stub