Manhattan Project

E354
World War II project military research project nuclear weapons program

The Manhattan Project was the secret U.S.-led World War II research and development program that produced the first nuclear weapons.

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All labels observed (19)

Label Occurrences
Manhattan Project canonical 241
Manhattan Project scientists 2
Allied atomic bomb program 1

Statements (57)

Predicate Object
instanceOf World War II project ⓘ
military research project ⓘ
nuclear weapons program ⓘ
aim development of atomic bombs ⓘ
codenameOrigin Manhattan Engineer District of the U.S. Army Corps of Engineers ⓘ
conflict World War II ⓘ
coordinatingOrganization Manhattan Engineer District of the U.S. Army Corps of Engineers ⓘ
surface form: United States Army Corps of Engineers
country United States of America ⓘ
surface form: United States
countryPartner Canada ⓘ
United Kingdom ⓘ
director Leslie R. Groves Jr. ⓘ
employedPeople over 130000 ⓘ
endDate 1946-12-31 ⓘ
estimatedCostComment about $2 billion 1940s USD ⓘ
estimatedCostUSD 2000000000 ⓘ
ethicalDebate use of atomic bombs on Japan ⓘ
field nuclear physics ⓘ
weapons engineering ⓘ
firstNuclearTest Trinity test site, New Mexico ⓘ
surface form: Trinity test
firstNuclearTestDate 1945-07-16 ⓘ
firstNuclearTestLocation Trinity test site, New Mexico ⓘ
surface form: Alamogordo Bombing and Gunnery Range, New Mexico
keyScientist Arthur H. Compton ⓘ
Edward Teller ⓘ
Enrico Fermi ⓘ
Ernest O. Lawrence ⓘ
Eugene Wigner ⓘ
Hans Bethe ⓘ
James Chadwick ⓘ
John von Neumann ⓘ
Leo Szilard ⓘ
Niels Bohr ⓘ
Richard Feynman ⓘ
legacy beginning of the nuclear age ⓘ
establishment of U.S. nuclear weapons complex ⓘ
mainSite Los Alamos Laboratory ⓘ
mainSiteLocation Los Alamos, New Mexico ⓘ
militaryBranch United States Army ⓘ
surface form: U.S. Army
namedAfter Manhattan Engineer District of the U.S. Army Corps of Engineers ⓘ
surface form: Manhattan Engineer District
predecessor MAUD Committee ⓘ
S-1 Uranium Committee ⓘ
producedWeapon atomic bombing of Nagasaki ⓘ
surface form: Fat Man

atomic bombing of Hiroshima ⓘ
surface form: Little Boy
result first nuclear weapons ⓘ
scientificDirector J. Robert Oppenheimer ⓘ
securityClassification top secret ⓘ
site Chicago Metallurgical Laboratory ⓘ
Columbia University ⓘ
Hanford Site, Washington ⓘ
Lawrence Berkeley National Laboratory ⓘ
Oak Ridge, Tennessee ⓘ
Trinity test site, New Mexico ⓘ
University of Chicago ⓘ
startDate 1942-08-13 ⓘ
successor Operation Crossroads ⓘ
United States Atomic Energy Commission ⓘ
usedInEvent atomic bombing of Hiroshima ⓘ
atomic bombing of Nagasaki ⓘ

Referenced by (260)

Full triples — surface form annotated when it differs from this entity's canonical label.

Office of Scientific Research and Development → notableProject → Manhattan Project ⓘ
World War II → hasPart → Manhattan Project ⓘ
J. Robert Oppenheimer → familyName → Manhattan Project ⓘ
this entity surface form: Oppenheimer
J. Robert Oppenheimer → notableWork → Manhattan Project ⓘ
Julius → notableWork → Manhattan Project ⓘ
subject surface form: Julius Robert Oppenheimer
Julius → participantIn → Manhattan Project ⓘ
subject surface form: Julius Robert Oppenheimer
Richard Feynman → participatedIn → Manhattan Project ⓘ
Manhattan Engineer District of the U.S. Army Corps of Engineers → notableProject → Manhattan Project ⓘ
subject surface form: Manhattan Engineer District
Los Alamos, New Mexico → knownFor → Manhattan Project ⓘ
MAUD Committee → influenced → Manhattan Project ⓘ
MAUD Committee → influenced → Manhattan Project ⓘ
this entity surface form: United States atomic bomb program
Los Alamos Laboratory → partOf → Manhattan Project ⓘ
Oppenheimer (2023 film) → subject → Manhattan Project ⓘ
American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer → mainSubject → Manhattan Project ⓘ
American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer → setInEvent → Manhattan Project ⓘ
Executive Order 8807 → relatedTo → Manhattan Project ⓘ
Hanford Site, Washington → builtFor → Manhattan Project ⓘ
subject surface form: Hanford Site
Chicago Metallurgical Laboratory → partOf → Manhattan Project ⓘ
S-1 Uranium Committee → predecessorOf → Manhattan Project ⓘ
Trinity test site, New Mexico → partOf → Manhattan Project ⓘ
Atomic Energy Act of 1946 → relatedTo → Manhattan Project ⓘ
Oak Ridge, Tennessee → establishedFor → Manhattan Project ⓘ
Oak Ridge, Tennessee → roleIn → Manhattan Project ⓘ
MED → alsoKnownAs → Manhattan Project ⓘ
subject surface form: Manhattan Engineer District
Clinton Engineer Works → partOf → Manhattan Project ⓘ
B Reactor → partOf → Manhattan Project ⓘ
B Reactor → associatedWithEvent → Manhattan Project ⓘ
Met Lab → partOf → Manhattan Project ⓘ
Surely You’re Joking, Mr. Feynman! → subject → Manhattan Project ⓘ
MAUD Report → relatedTo → Manhattan Project ⓘ
C Reactor → partOf → Manhattan Project ⓘ
D Reactor → partOf → Manhattan Project ⓘ
F Reactor → partOf → Manhattan Project ⓘ
James B. Conant → participantIn → Manhattan Project ⓘ
Ernest O. Lawrence → participatedIn → Manhattan Project ⓘ
Bradbury Science Museum → subject → Manhattan Project ⓘ
Project Y → partOf → Manhattan Project ⓘ
I. I. Rabi → memberOf → Manhattan Project ⓘ
Tube Alloys programme → mergedInto → Manhattan Project ⓘ
Tube Alloys programme → relatedTo → Manhattan Project ⓘ
Frisch–Peierls memorandum → influenced → Manhattan Project ⓘ
Manhattan Project National Historical Park (Los Alamos unit) → significantProject → Manhattan Project ⓘ
Mark Oliphant → participatedIn → Manhattan Project ⓘ
Los Alamos Ranch School → campusLaterUsedFor → Manhattan Project ⓘ
Fat Man → developedBy → Manhattan Project ⓘ
Leslie R. Groves Jr. → notableProject → Manhattan Project ⓘ
Los Alamos Historical Museum → theme → Manhattan Project ⓘ
Hans Bethe → movement → Manhattan Project ⓘ
Hans Bethe → participatedIn → Manhattan Project ⓘ
Niels Bohr → tookPartIn → Manhattan Project ⓘ