Willoughby Smith

Willoughby Smith

male, deceased (1891)
Willoughby Smith was an electrical engineer who discovered the photoconductivity of the element selenium. This discovery led to the invention of... More
Search For: From Great Yarmouth telegraph gutta-percha From Norfolk electrical engineer Selenium … photoconductivity
Constantin Senlecq

Constantin Senlecq

male
Constantin Senclecq (Fauquembergues, 1842 - Ardres, 1934) was a French scientist and inventor who is credited with the invention of telectroscope.... More
Search For: George R. Carey scientist transmit French inventor Selenium … photoconductivity
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Adriano de Paiva

male, deceased (1907)
Adriano de Paiva (1847-1907) was a Portuguese scientist who was one of the pioneers of telectroscope. He worked at the Politechnical Academy of... More
Search For: UNIVERSITY of PORTO scientist Portuguese Politechnical Academy of Porto transmit Selenium … photoconductivity