Leonid Fedorovych Toptunov (Ukrainian: Леонід Федорович Топтунов, Russian: Леонид Фёдорович Топтунов; 16 August 1960 – 14 May 1986) was a Soviet nuclear engineer who …

In response, Toptunov reduced the power setpoint to stabilize the automatic regulators' ionization sensors. The result was a sudden power drop to an unintended near-shutdown state, with a …

In the early hours of April 26, 1986, Leonid Toptunov, a young, inexperienced and tired member of the night crew at the Chernobyl nuclear power station, near Kiev, allowed the level of reactivity …

2019年4月26日 · Vera Toptunova, the mother of Leonid Toptunov, who was a senior reactor control engineer at the Reactor No. 4 of the Chernobyl nuclear plant when it exploded on April …

2023年7月6日 · Leonid Toptunov was a graduate of the prestigious Moscow Engineering and Physics Institute and was just 25 years old when he was given the job of senior reactor …

Dyatlov ordered Toptunov and Akimov to raise the power to the requisite level for the test, a task made perilous by xenon poisoning and reactor design flaws unknown to the operators. …

2019年4月26日 · That same day, one of the members of the plant staff, 25-year-old Leonid Toptunov, the nuclear engineer manning the control desk of reactor number four at the …

Leonid Fedorovych Toptunov (Ukrainian: Леонід Федорович Топтунов; 16 August 1960 – 14 May 1986) was a Soviet engineer who was the senior reactor control chief engineer at the …

Leonid Fedorovych Toptunov was born on the 16 August 1960. He was a Senior Engineer at the Chernobyl Power plant and had this position for 3 months. He graduated from the Moscow …

2019年6月12日 · In the hours after the explosion, he spoke to Oleksandr Akimov, the shift leader at the No. 4 reactor, and operator Leonid Toptunov, who both feature prominently in the series.