Manhattan Project

E354

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

All labels observed (19)

How this entity was disambiguated

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

How these facts were elicited

Referenced by (260)

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

Chien-Shiung Wu employer Manhattan Project
Monte Carlo method associatedWith Manhattan Project
Chicago Pile-2 project Manhattan Project
Szilard petition relatedTo Manhattan Project
Atomic Quest mainSubject Manhattan Project
Atomic Quest relatedWork Manhattan Project
Einstein–Szilard letter relatedTo Manhattan Project
S-50 thermal diffusion plant partOf Manhattan Project
Weldon Spring Ordnance Works partOf Manhattan Project
Site W, Washington, D.C. offices partOf Manhattan Project
Iowa Ordnance Plant partOf Manhattan Project
Edwin McMillan participatedIn Manhattan Project
Wigner Jenő Pál employer Manhattan Project
Wendell Mitchell Latimer employer Manhattan Project
this entity surface form: United States government (Manhattan Project, advisory roles)
Aage Niels Bohr participatedIn Manhattan Project
Joseph W. Kennedy memberOf Manhattan Project
Bechtel Corporation participatedIn Manhattan Project
this entity surface form: Manhattan Project (as a contractor on related facilities)
Katherine Vissering memberOf Manhattan Project
this entity surface form: Manhattan Project social circles
Los Alamos County knownFor Manhattan Project
Stagg Field associatedWith Manhattan Project
Laura Fermi associatedWith Manhattan Project
this entity surface form: Manhattan Project scientists
Atomic City associatedWith Manhattan Project
Peierls participatedIn Manhattan Project
subject surface form: Rudolf Peierls
Gertrud Weiss Szilard spouseNotableProject Manhattan Project
Samuel Allison memberOf Manhattan Project
Owen Chamberlain participatedIn Manhattan Project
Kistiakowsky participatedIn Manhattan Project
subject surface form: George Kistiakowsky
Nicholas Baker participatedIn Manhattan Project
subject surface form: Niels Bohr
Segrè memberOf Manhattan Project
subject surface form: Emilio Segrè
Via Panisperna boys influenced Manhattan Project
this entity surface form: Manhattan Project scientists
Heritage Center relatedTo Manhattan Project
Oak Ridge Gaseous Diffusion Plant partOf Manhattan Project
Val Fitch participatedIn Manhattan Project
Serber notableWork Manhattan Project
subject surface form: Robert Serber
Serber hasNotableAssociation Manhattan Project
Los Alamos Primer associatedWithProject Manhattan Project
Charlotte Serber employer Manhattan Project