Constantin Senlecq (Fauquembergues, 1842 – Ardres, 1934) was a French

scientist A scientist is a person who Scientific method, researches 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, philosophers engag ...

and

inventor An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an ...

who is credited with the invention of telectroscope. He worked independently of the American inventor George R. Carey, who came up with a similar idea at approximately the same time ( 1877–1880). Telectroscope was the first prototype

television Television (TV) is a telecommunication medium for transmitting moving images and sound. Additionally, the term can refer to a physical television set rather than the medium of transmission. Television is a mass medium for advertising, ...

. It used the

photoconductive Photoconductivity is an optical and electrical phenomenon in which a material becomes more electrically conductive due to the absorption of electromagnetic radiation such as visible light, ultraviolet light, infrared light, or gamma radiation. W ...

properties of

selenium Selenium is a chemical element; it has symbol (chemistry), symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking form. It seldom occurs in this elem ...

to transmit an

image An image or picture is a visual representation. An image can be Two-dimensional space, two-dimensional, such as a drawing, painting, or photograph, or Three-dimensional space, three-dimensional, such as a carving or sculpture. Images may be di ...

. File:Maison de Constantin Senlecq - Ardres.jpg, House where Constantin Senlecq lived and died - Ardres, France. File:Maison de Constantin Senlecq - Plaque commémorative.jpg, House of Constantin Senlecq - Commemorative tablet.

References

* Constantin SENLECQ, ''Le télectroscope'', Typographie D'Homont, Saint-Omer, 1881

French physicists 19th-century French inventors Television pioneers 1842 births 1934 deaths {{france-tv-bio-stub