Drach, Leonid. Head of the Nuclear Energy Sector of the USSR Council of Ministers; member of the first government commission investigating the causes of the Chernobyl accident. Moscow, April 19, 2017.

Esaulov, Alexander. Deputy chairman of the Pripyat municipal executive committee, or ispolkom. Irpin, Ukraine, July 2015.

Flowers, Alan. Nuclear physicist and lecturer at Kingston Polytechnic, London; subsequently radiation protection officer at Kingston University; honorary doctor of radioecology with the International Sakharov Environmental Institute of Belarusian State University, Minsk. Telephone, February 25, 2016.

Gale, Robert. Professor of medicine at UCLA Medical Center; chairman of the Scientific Advisory Committee of the International Bone Marrow Transplant Registry. June 22, 2016 (telephone) and August 11, 2016 (Big Sky, MT).

Gaschak, Sergei. In 2018, deputy director for Science, Chornobyl International Radioecology Laboratory. Chernobyl Exclusion Zone, February 7, 2011.

Glukhov, Andrei. Senior reactor control engineer, Unit One, Chernobyl nuclear power plant, April 1981 – August 1984; head of Operational Support Group, Department of Nuclear Safety, Chernobyl nuclear power plant, 1984–1986. Slavutych, Ukraine, July 12, 2015; Chernobyl nuclear power plant, Ukraine, February 11 2016; telephone, July 3, 2018.

Goldston, Robert. Head of physics research team, Tokamak Test Reactor, Princeton Plasma Physics Laboratory. Princeton, NJ, February 15, 2018.

Grebeniuk, Vladimir. Colonel; commander of 427th Red Banner Mechanized Regiment of the Civil Defense Forces stationed in Kiev. Kiev, February 9, 2015.

Grodzinsky, Dmitri. Head of the Department of Biophysics and Radiobiology of the Institute of Cell Biology and Genetic Engineering of the National Academy of Sciences of Ukraine. Kiev, February 8, 2011, and July 13, 2015.

Gubarev, Vladimir. Science editor, Pravda. Moscow, October 23, 2015.

Ignatenko, Sergey. Director of the Electrical Grid for the Right Bank of the Dnieper for the Kiev region, Ukrainian Ministry of Energy and Electrification. Kiev, April 22, 2016.

Jacob, Sabine. In 2016, assistant to Dr. Robert Gale. Los Angeles, September 23, 2016.

Jorgensen, Timothy. In 2018, associate professor in the Department of Radiation Medicine at Georgetown University. Telephone, June 19, 2016.

Khmel, Piotr. Lieutenant, Paramilitary Fire Brigade Number Two. Kiev, February 16, 2006, and July 14, 2015.

Khodemchuk, Natalia. Engineer in Pripyat water pumping station Number Two and wife of Valery Khodemchuk. Kiev, May 28, 2017.

Kirichenko, Svetlana. Chief economist of the Pripyat ispolkom. Kiev, April 23, 2016.

Kizima, Vasily. Director of construction, Chernobyl nuclear power plant. Kiev, February 7, 2016.

Klochko, Viktor. Colonel; head of the Pripyat department of the KGB. (Interview by Taras Shumeyko), Kiev, September 7, 2015.

Koldin, Valery. Colonel; deputy head of the Department of Military Construction, Third Shift, Sredmash US-605 (October – December 1986). Moscow, April 18, 2017.

Koliadin, Anatoly. Electrician in thermal automation and measurement workshop, Unit Four, Chernobyl nuclear power plant; editor of Chernobyl Post, 2003–2017, Kiev. July 10, 2015.

Kopchinsky, Georgi. Senior advisor on nuclear power, Communist Party Central Committee, Moscow. Kiev, November 28, 2016.

Korneyev, Yuri. Turbine operator, Fifth Shift, Unit Four, Chernobyl nuclear power plant. Kiev, September 8 2015.

Korol, Alexander. Trainee reactor control engineer, Unit Four, Chernobyl nuclear power plant. Kiev, September 9, 2015 (interview by author) and April 17, 2018 (interview by Taras Shumeyko).

Korolevska, Anna. In 2018, deputy director for science of the Chernobyl Museum. Kiev, July 10, 2015; February 8, 2016.

Kovtutsky, Viktor. Chief accountant at Chernobyl nuclear power plant construction department. Kiev, April 23, 2016.

Kozlova, Elena. Materials research technician, NIKIMT. Moscow, April 17, 2017.

Kozyrev, Yuri. Senior scientist at the Gaseous Electronics Department of the Institute of Physics in Kiev. Kiev, April 21, 2017.

Kryat, Anatoly. Chief of the Nuclear Physics Laboratory in the Department of Nuclear Safety, Chernobyl nuclear power plant. Kiev, February 15, 2016.

Kupny, Valentin. Director of Zaporizhia NPP; director of Chernobyl Shelter, 1995–2002. Slavutych, Ukraine, February 12, 2016.

Legasov, Inga. Daughter of Academician Valery Legasov. Moscow, April 18, 2017.

Leonenko, Vitali. Director of Medical-Sanitary Center Number 126, Pripyat. Vepryk, Ukraine, December 3, 2016.

Lisovenko, Vasily; Major, head of the Third Division of the Sixth Department, Ukrainian KGB. Vyshenski, Ukraine, September 10, 2015.

Logachev, Alexander. Senior lieutenant; chief radiation scout of the 427th Red Banner Mechanized Regiment of the Civil Defense Forces stationed in Kiev. Kiev, June 1, 2017 (conducted by the author) and June 3, 2017 (conducted by Taras Shumeyko).

Mabuchi, Dr. Kiyohiko. Head of Chernobyl Research Unit and senior scientist, National Cancer Institute, Division of Epidemiology and Genetics. Telephone, September 13, 2018.

Maleyev, Vladimir. In 1987, lieutenant colonel commanding 14th Radiation and Chemical Reconnaissance regiment of the Soviet Chemical Warfare Forces. Moscow, April 16, 2017.

Masol, Vitali. Head of the Ukrainian State Committee for Material and Technical Supply (GOSSNAB); prime minister of Ukraine, 1994–1995. Kiev, June 1, 2017.

McNeil, Oscar. Managing director of Chernobyl Shelter Implementation Plan, 2015 – present, Telephone, June 11, 2018.

Mimka, Lubomir. Colonel; deputy chief of staff of the Soviet Air Defense Forces’ Seventeenth Airborne Army, Kiev military district. Kiev, February 13, 2016.

Moller, Anders. Research director; in 2018, Ecology, Systematics and Evolution Laboratory, University of Paris-Sud. Paris, France, January 26, 2011.

Mousseau, Timothy. In 2018, professor of biological sciences, University of South Carolina, Columbia. Columbia, SC, January 2011.

Nazarkovsky, Alexander. Senior electromechanical engineer in charge of construction and installation quality control, Chernobyl nuclear power plant. Kiev, February 16, 2006.

Nesterov, Boris. Colonel; deputy commander of the Air Forces of the Kiev Military District. Dnipro, Ukraine, December 2, 2016.

Nosko, Valeri. Major, Third Division of the Sixth Department, Ukrainian KGB. Kiev, September 9, 2015.

Parashyn, Serhiy. Communist Party secretary, Chernobyl nuclear power plant; director, Chernobyl nuclear power plant, 1994–1998. Kiev, November 30, 2016.