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Leonid Toptunov
Soviet engineer · Russia · On the map · Scientists · Lived 1960 to 1986 · aged 25
Leonid Fedorovych Toptunov was a Soviet nuclear engineer who was the senior reactor control chief engineer at the Chernobyl Nuclear Power Plant Reactor Unit 4 on the night of the Chernobyl disaster, 26 April 1986.
Leonid Toptunov is read about 646 times a day, in 15 languages.
A typical day, 30 days to 10 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 106 days, one point a day.
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About this person
Country
Russia
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1960 to 1986 · aged 25
