Willoughby Smith
British engineer (1828-1891) · Scientists · Died at 63
Willoughby Smith was an English electrical engineer who discovered the photoconductivity of the element selenium. This discovery led to the invention of photoelectric cells, including those used in the earliest television systems.
Willoughby Smith is read about 12 times a day, in 13 languages.
A typical day, 30 days to 17 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?Also in Deutsch
Media & music
About this person
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1828 to 1891 · aged 63
