Historical biography archive · Updated 2026-11-03

Nikolai Fomin Biography and Timeline

Follow Nikolai Fomin through 38 dated historical records for Russia.

Nikolai Fomin, historical timeline

A chronological timeline drawn from matching World History Database records.

38Distinct records
1 of 1Page
1937–1990Years on this page

1937

Fomin Birth

Engineer · Novoekonomichne · Government / Government of Russia

Is born in Novoekonomichne in the Donetsk region of the Ukrainian Soviet Socialist Republic on 21 May 1937.

1972

Fomin Joins Chernobyl Plant

Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Begins working at the Chernobyl Nuclear Power Plant and enters the management structure that later operates the RBMK units.

Fomin Pre-Chernobyl Poltava Experience

Engineer · Poltava · Government / Government of Russia

Has worked in the Poltava electrical power network before transferring to the Chernobyl Nuclear Power Plant in 1972.

Fomin Pre-Chernobyl Zaporizhzhia Experience

Engineer · Zaporizhzhia · Government / Government of Russia

Has gained generating-station experience at the Zaporizhzhia thermal power station before beginning work at Chernobyl in 1972.

Fomin Technical Education Background

Engineer · Soviet Union · Government / Government of Russia

Has completed higher technical education before joining the Chernobyl plant, providing the engineering background for his later management career.

1986

Fomin Continued Unit Operation Permission

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Permits Unit 4 to continue operating at reduced power while preparations for the planned test and maintenance shutdown continue.

Fomin Accident Cleanup Participation

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Participates in the early management of cleanup and stabilization work after the destruction of Unit 4.

Fomin Continuous Water Order

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Orders personnel to continue feeding water toward the damaged reactor while management still believes cooling may be possible.

Fomin Emergency Arrival

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Arrives during the early morning emergency and joins senior plant management handling the Unit 4 accident.

Fomin Emergency Staffing Coordination

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Coordinates replacement personnel and technical staff as the plant attempts to maintain essential systems during the expanding emergency.

Fomin Learns of Unit Four Accident

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Learns of the Unit 4 accident at about four in the morning and travels to the plant to join the emergency response.

Fomin Reactor Destruction Report Received

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Receives Sitnikov's report that the Unit 4 reactor has been destroyed after the inspection.

Fomin Reassigns Personnel to Unit Four

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Transfers additional staff to Unit 4 as radiation exposure and injuries remove members of the original operating team from duty.

Fomin Receives Initial Reactor Status Report

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Receives early reports indicating that the reactor may still be intact despite growing evidence of catastrophic structural damage.

Fomin Sitnikov Inspection Order

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Directs Anatoly Sitnikov to inspect the damaged reactor area and determine the condition of Unit 4.

Fomin Communist Party Expulsion

Chernobyl Chief Engineer · Soviet Union · Government / Government of Russia

Is expelled from the Communist Party after the Chernobyl disaster as authorities assign political and managerial responsibility.

Fomin Post-Accident Investigation

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Becomes a central subject of the Soviet investigation into plant management and the failed safety test.

Fomin Removed as Chief Engineer

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Loses his senior plant position as authorities pursue accountability for the accident.

Fomin Arrest

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Is arrested with plant director Viktor Bryukhanov while prosecutors investigate criminal responsibility for the Chernobyl disaster.

Fomin Safety Regulation Charges

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Faces criminal charges alleging serious violations of nuclear safety rules in connection with management of the Unit 4 test.

Fomin Pretrial Detention

Chernobyl Chief Engineer · Ukraine · Government / Government of Russia

Remains in custody while investigators prepare the criminal case against senior Chernobyl managers and operating personnel.

Fomin CPSU Membership Before Disaster

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Is a Communist Party member while serving in senior technical management at Chernobyl before the April 1986 disaster.

Fomin Chief Engineer Responsibility

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Serves as chief engineer of the Chernobyl Nuclear Power Plant and holds senior technical responsibility when the Unit 4 accident occurs.

Fomin Pre-Accident Car Crash

Chernobyl Chief Engineer · Ukraine · Government / Government of Russia

Suffers a serious road accident shortly before the Chernobyl disaster and sustains a spinal injury during the crash.

Fomin Turbine Rundown Test Approval

Chernobyl Chief Engineer · Chernobyl Nuclear Power Plant · Government / Government of Russia

Approves the Unit 4 turbine rundown test programme that is scheduled to be performed during the planned reactor shutdown.

1987

Fomin Trial Scheduled

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Is scheduled to stand trial on 24 March 1987 with other Chernobyl officials accused of responsibility for the accident.

Fomin Suicide Attempt Before Trial

Chernobyl Chief Engineer · Ukraine · Government / Government of Russia

Attempts suicide before the trial by cutting his wrists with broken glass from his spectacles.

Fomin Trial Postponement

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Has the start of his trial postponed after the suicide attempt raises concerns about his mental and physical condition.

Fomin Pretrial Psychiatric Assessment

Chernobyl Chief Engineer · Ukraine · Government / Government of Russia

Undergoes psychiatric assessment and treatment before proceedings resume against him and the other Chernobyl defendants.

Fomin Ten-Year Sentence

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Receives a ten-year labour-camp sentence after conviction for violations of nuclear safety regulations.

Fomin Chernobyl Trial

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Appears before the Soviet court with Viktor Bryukhanov and Anatoly Dyatlov over the disaster.

Fomin Operator Deviation Defence

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Argues during the trial that Unit 4 operators departed from the approved test programme and contributed to the accident.

Fomin Partial Blame Statement

Chernobyl Chief Engineer · Chernobyl · Government / Government of Russia

Acknowledges some personal responsibility during the proceedings while rejecting the claim that management alone caused the disaster.

1988

Fomin Prison Psychiatric Treatment

Former Chernobyl Chief Engineer · Soviet Union · Government / Government of Russia

Receives psychiatric treatment while serving his prison sentence because of continuing mental-health problems after the trial.

Fomin Transfer to Neuropsychiatric Hospital

Former Chernobyl Chief Engineer · Soviet Union · Government / Government of Russia

Is transferred from prison to a neuropsychiatric hospital as doctors continue treating his mental condition.

1990

Fomin Kalinin Nuclear Plant Employment

Engineer · Udomlya · Government / Government of Russia

Returns to the nuclear-power industry and begins work at the Kalinin Nuclear Power Plant after his release and psychiatric treatment.

Fomin Declared Fit for Release

Former Chernobyl Chief Engineer · Soviet Union · Government / Government of Russia

Is judged sufficiently recovered for release after psychiatric treatment following his imprisonment for the Chernobyl disaster.

Fomin Early Release

Former Chernobyl Chief Engineer · Soviet Union · Government / Government of Russia

Is released before completing his ten-year sentence after appeals and continuing concerns about his health.

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.