Willoughby Smith discovered the photoconductivity of the element selenium, which led to the invention of photoelectric cells used in the earliest television systems.
Willoughby Smith discovered the photoconductivity of the element selenium, which led to the invention of photoelectric cells used in the earliest television systems.
Inscription
In Memory Of
Anne Smith
Died May 19th 1891.
Aged 63 Years.
Willoughby Smith
Electrician
Died July 17th 1891.
Aged 63 Years.
On retaining wall:
Grave of Willoughby Smith of Highgate
Family Members
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