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Manhattan Project

The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada. The Manhattan Project employed nearly 130,000 people at its peak and cost nearly US$2 billion (equivalent to about $28 billion in 2024).

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Headquarters
Oak Ridge, Tennessee, U.S.
Active
1942–1946
Anniversaries
13 August 1942
Branch
Corps of Engineers
Country
United States · United Kingdom · Canada
Disbanded
15 August 1947

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Overview

Origins

Organization

Project sites

Uranium

Plutonium

Personnel

Secrecy

Foreign intelligence

Atomic bombings of Hiroshima and Nagasaki

After the war

Cost

Legacy

General references

Technical histories

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Map overview Semantic statistics

Manhattan Project

Nodes577
Edges576
Triples528
Avg. degree2
Density0.003466
Components1

How this topic connects Entity context

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Manhattan Project

Top relations

related to General references · 250
Manhattan Project → Alex, Alliance Politics, American Press, Anderson, Annapolis, April, Archived, Argonne National Laboratory, Arms, Army, Artists Against Nuclear Energy, Aster, Atomic Bomb, Atomic Collaboration, Atomic Community, Atomic Energy, Atomic Energy Commission, Atomic Scientists, Atomic Shield, August
related to Participant accounts · 49
Manhattan Project → Adventures, Alsos, Alvarez, Arthur, Atomic Quest, Basic Books, Bethe, Boston, Can, Charles Scribner's Sons, Co, Compton, Goudsmit, Groves, Hans, Harper, Henry, Henry Schuman, Houghton Mifflin Company, How America's Nuclear Policies
related to Foreign intelligence · 43
Manhattan Project → Alsos, American Alsos, Army Intelligence, At, Boris Pash, British, Calvert, Captain Horace, Chemical Warfare Service, Eisenhower, G-2, General Dwight, German, German-occupied Norway, Germans, Germany, Greek, Groves, In, It
related to External links · 34
Manhattan Project → Allied Scientists Collections, Archived, Atomic Heritage Foundation, CenterChadwick, Chicago Special Collections Research, Collection, Comparison, December, End, Features, February, George Washington University, History, History Center, July, June, Los Alamos National Laboratory, Mark, Nuclear Science, Nuclear Technology
related to Legacy · 29
Manhattan Project → Albuquerque, Alvin Weinberg, Ames Laboratory, Argonne National Laboratory, Atomic Age, Big Science, Brookhaven National Laboratory, Computational, Groves, He, His, Lawrence Berkeley National Laboratory, Los Alamos, Los Alamos National Laboratory, Nagasaki, New Mexico, New York, Oak Ridge National Laboratory, Sandia National Laboratories, Soviet Union
related to Censorship · 26
Manhattan Project → After, American, Axis, By, Censorship, European, Georgy Flyorov, Germany, In April, In June, Joseph Stalin, Laurence, National Academy, Sciences, September, Soviet Union, Tennessee, The, The Manhattan Project, The New York Times
related to Military Policy Committee · 23
Manhattan Project → Bush, Colonel Marshall, Colonel Marshall's, Conant, General Marshall, Generals Marshall, Groves, Harvey Bundy, He, Later, Military Policy Committee, New War Department Building, Purnell, Rear Admiral William, Reybold, September, Somervell, Stimson, Styer, Tolman
related to Personnel · 21
Manhattan Project → African-American, April, As, At, Conant, Due, Groves, Hanford Site, In, In March, July, June, Most African Americans, No, Procuring, The, The Kansas, Tolman, United States Employment Service, War Manpower Commission
related to After the war · 18
Manhattan Project → Army, August, Awards, Bush, December, During, Groves, Hiroshima, It, Legion, Manhattan District, Merit, Military, Navy, Nichols, Oppenheimer, Presidential Medals, The Manhattan Project
related to Secrecy · 8
Manhattan Project → Congressmen, FBI, G-2, Groves, Roosevelt, The Manhattan Project, This, Ultimately

Important terminology Word statistics

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Important terminology

project uranium nuclear manhattan atomic plutonium 1945 groves bomb oclc war first new los 1944 alamos laboratory 1943 university production

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Manhattan ProjectActive1942–19461.00infobox
Manhattan ProjectAnniversaries13 August 19421.00infobox
Manhattan ProjectBranchCorps of Engineers1.00infobox
Manhattan ProjectCountryUnited States1.00infobox
Manhattan ProjectCountryUnited Kingdom1.00infobox
Manhattan ProjectCountryCanada1.00infobox
Manhattan ProjectDisbanded15 August 19471.00infobox
Manhattan ProjectEngagementsAllied invasion of Italy1.00infobox
Manhattan ProjectEngagementsAllied invasion of France1.00infobox
Manhattan ProjectEngagementsAllied invasion of Germany1.00infobox
Manhattan ProjectEngagementsAtomic bombings of Hiroshima and Nagasaki1.00infobox
Manhattan ProjectEngagementsAllied occupation of Japan1.00infobox
Manhattan ProjectHeadquartersOak Ridge, Tennessee, U.S.1.00infobox
Manhattan ProjectNotable commandersJames C. Marshall1.00infobox
Manhattan ProjectNotable commandersKenneth Nichols1.00infobox

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