President of the USSR.
Gorsky, Anatoli Borisovich (
Gouzenko, Igor (
Gouzenko, Svetlana “Anna.” Mrs. Igor Gouzenko.
Gray, Gordon. Chairman of security board that investigated Robert Oppenheimer.
Green, Harold. AEC attorney who drafted list of charges against Robert Oppenheimer.
Greenglass, David. Machinist at Los Alamos during Second World War; confessed to espionage, naming Julius Rosenberg as his control; convicted of espionage.
Greenglass, Ruth Printz. Mrs. David Greenglass. Confessed to complicity in espionage; never charged.
Greenglass, Samuel. David and Ethel Greenglass's older brother.
Griggs, David. American geophysicist; testified against Robert Oppenheimer.
Gromyko, Andrei (
Groves, Leslie R. US Army officer; commanding general of Corps of Engineers Manhattan Engineer District during Second World War and of Armed Forces Special Weapons Project (AFSWP) afterward.
Gullion, Edmund. US Foreign Service officer.
Gurevich, 1.1, (
Hagiwara, Tokutaro (
Hahn, Otto. German radiochemist; with Fritz Straussmann, discovered breakup of uranium nucleus under neutron bombardment (fission); Nobel laureate.
Halban, Hans. Austrian physicist working in France; colleague of Frederic Joliot-Curie and Lew Kowarski.
Hall, Jane. American physicist and Los Alamos administrator.
Halperin, Israel (“Bacon”). Canadian mathematician and Soviet espionage agent.
Hankey (Lord). Minister in British War Cabinet; chairman of Scientific Advisory Committee.
Harkins, William D. American physicist; estimated deuterium capture cross section.
Harriman, W. Averell. American financier and diplomat; wartime US ambassador to the Soviet Union.
Harrison, George L. Aide to Henry Stimson.
Harrison, Stewart. British physician. Kitty Oppenheimer's second husband.
Harteck, Paul. German physicist; with Ernest Rutherford and Marcus Oliphant, discovered thermonuclear fusion reaction.
Heineman, Kristel Fuchs. Klaus Fuchs's younger sister. Mrs. Robert Heineman.
Heineman, Robert. American Communist. Kristel Fuchs's husband.
Helsenberg, Werner. German theoretical physicist; Nobel laureate.
Henri, Ernst. Alias of Soviet agent who recruited Guy Burgess.
Hersey, John. Novelist and journalist; author of
Heslep, Charter. AEC public information officer on whom Edward Teller unburdened himself during Oppenheimer security hearing.
Hickenlooper, Bourke. US Senator (Republican-Iowa).
Hill, James Arthur. US Air Force officer; line pilot during Berlin Airlift; later USAF Vice Chief of Staff.
Hillenkoetter, Roscoe. US Navy officer; first Director of the CIA.
Hindenburg, Paul von. German field marshal; second and last President of the Weimar Republic.
Hinshaw, Carl. US Representative (Republican-California); member of Joint Committee on Atomic Energy.
Hirohito. Emperor of Japan, 1926–1989.
Hitler, Adolf. German Fiihrer; Nazi Party leader; dictator of Germany.
Holloway, Marshall. American experimental physicist who directed development of first megaton-range thermonuclear test device (the Sausage,
Hoover, Herbert. Thirty-first President of the United States, 1929–1933.
Hoover, J. Edgar. Director of the Federal Bureau of Investigation, 1924–1972.
Hopkins, Harry. Personal adviser to Franklin D. Roosevelt; wartime director of Lend- Lease.
Horthy, Nicholas. Regent of Hungary, 1919–1944.
Hoyar-Millar, Derek. Counselor of the British Embassy in Washington.
Hull, Cordell. US Secretary of State under Franklin D. Roosevelt.
Ickes, Harold L. (
Ioffe, Abram Fedorovich (
Ivanov, G. N. (aka G. N. Kolchenko) (
Ivanov, Nikolai. Member of F-l crew; in 1992, F-l chief engineer.
Ivanov, Peter. Vice consul at Soviet Consulate in San Francisco and NKVD officer; Steve Nelson's and George Eltenton's Soviet control.
Jackson, Henry “Scoop.” US Representative, later Senator (Democrat-Washington), on Joint Committee on Atomic Energy.
Jodl, Alfried. German commander; signed German surrender.
Johnson, Louis. American Legion commander; James Forrestal's successor as Secretary of Defense under Harry S. Truman.
Joliot-Curie, Frederic. French nuclear physicist; Nobel laureate.
Jordan, George Racey. USAAF officer; expedited Soviet Lend-Lease shipments through Gore Field, Montana.
Kabul, Bogdan (
Kaftanov, Sergei (
Kapitza, Peter (
Kaufman, Irving R. Federal judge at trial of Rosenbergs and Sobell.
Keiui, Dobey. American engineer; head of Kellex Corporation.
Kennan, George. American diplomat; first Director of State Department Policy Planning Staff; “Mr. X.”
Kennedy, Joseph W. American chemist; with Glenn Seaborg and Arthur C. Wahl, first isolated plutonium at Berkeley in 1940.
Kennedy, Robert. US Attorney General under John F. Kennedy; chairman of Cuban missile