Atomic Energy Act of 1946

E3998

United States federal statute nuclear energy law

The Atomic Energy Act of 1946 was a landmark U.S. law that established civilian control over nuclear energy and created the Atomic Energy Commission to oversee the development and regulation of nuclear technology after World War II.

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All labels observed (1)

Label	Occurrences
Atomic Energy Act of 1946 canonical	16

How this entity was disambiguated

This entity first appeared as the object of triple T52083 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Atomic Energy Act of 1946
Context triple: [Truman administration domestic policy, hasPart, Atomic Energy Act of 1946]

A. National Security Act of 1947
The National Security Act of 1947 is a landmark U.S. law that reorganized the nation’s military and intelligence structure, creating institutions such as the Department of Defense, the National Security Council, and the Central Intelligence Agency.
B. National Security Act Amendments of 1949
The National Security Act Amendments of 1949 were U.S. legislation that reorganized and strengthened the post–World War II national security structure, notably transforming the National Military Establishment into the Department of Defense and refining the roles of key defense and intelligence agencies.
C. United States Atomic Energy Commission
The United States Atomic Energy Commission was the federal agency that oversaw and regulated the development, production, and civilian use of nuclear energy and weapons in the United States during the early Cold War era.
D. Energy Reorganization Act of 1974
The Energy Reorganization Act of 1974 is a U.S. federal law that restructured the nation’s nuclear energy program, notably splitting regulatory and promotional functions and creating the Nuclear Regulatory Commission.
E. S-1 Uranium Committee
The S-1 Uranium Committee was a U.S. government scientific advisory group that coordinated early research into nuclear fission and atomic weapons, laying the groundwork for what became the Manhattan Project.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Atomic Energy Act of 1946
Target entity description: The Atomic Energy Act of 1946 was a landmark U.S. law that established civilian control over nuclear energy and created the Atomic Energy Commission to oversee the development and regulation of nuclear technology after World War II.

A. National Security Act of 1947
The National Security Act of 1947 is a landmark U.S. law that reorganized the nation’s military and intelligence structure, creating institutions such as the Department of Defense, the National Security Council, and the Central Intelligence Agency.
B. National Security Act Amendments of 1949
The National Security Act Amendments of 1949 were U.S. legislation that reorganized and strengthened the post–World War II national security structure, notably transforming the National Military Establishment into the Department of Defense and refining the roles of key defense and intelligence agencies.
C. United States Atomic Energy Commission
The United States Atomic Energy Commission was the federal agency that oversaw and regulated the development, production, and civilian use of nuclear energy and weapons in the United States during the early Cold War era.
D. Energy Reorganization Act of 1974
The Energy Reorganization Act of 1974 is a U.S. federal law that restructured the nation’s nuclear energy program, notably splitting regulatory and promotional functions and creating the Nuclear Regulatory Commission.
E. S-1 Uranium Committee
The S-1 Uranium Committee was a U.S. government scientific advisory group that coordinated early research into nuclear fission and atomic weapons, laying the groundwork for what became the Manhattan Project.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	United States federal statute ⓘ nuclear energy law ⓘ
amendedBy	Atomic Energy Act of 1954 ⓘ
appliesTo	nuclear research facilities in the United States ⓘ nuclear weapons production facilities in the United States ⓘ possession and use of fissionable materials in the United States ⓘ
authorized	federal control of all fissionable material production ⓘ
branchAffected	executive branch of the United States ⓘ legislative branch of the United States ⓘ
citation	60 Stat. 755 ⓘ
country	United States of America ⓘ surface form: United States
created	category of Restricted Data ⓘ framework for classification of nuclear information ⓘ
createdAgency	United States Atomic Energy Commission ⓘ
effectiveDate	1946-08-01 ⓘ
enactedBy	United States Congress ⓘ
established	United States Atomic Energy Commission ⓘ civilian control over atomic energy in the United States ⓘ
governedBy	principle of civilian control of atomic energy ⓘ
historicalContext	early Cold War ⓘ post–World War II nuclear policy ⓘ
influenced	United States nuclear nonproliferation policy ⓘ United States nuclear weapons policy ⓘ
introducedBy	Brien McMahon ⓘ
jurisdiction	federal ⓘ
legislativeBody	United States House of Representatives ⓘ United States Senate ⓘ
prohibited	private ownership of fissionable materials ⓘ
publicLawNumber	Public Law 79-585 ⓘ
purpose	to control the development and use of atomic energy for both military and civilian purposes ⓘ to ensure government monopoly over fissionable materials ⓘ to regulate nuclear research and production facilities ⓘ
relatedTo	Atomic Energy Act of 1954 ⓘ Manhattan Project ⓘ United States Atomic Energy Commission ⓘ
replaced	wartime military control of atomic energy in the United States ⓘ
restricted	dissemination of atomic energy information ⓘ sharing of nuclear information with foreign governments ⓘ
resultedIn	creation of a government monopoly on nuclear technology in the United States ⓘ transfer of atomic energy control from the U.S. military to civilian authorities ⓘ
shortName	McMahon Act ⓘ
signedBy	President Harry S. Truman ⓘ surface form: Harry S. Truman
signingDate	1946-08-01 ⓘ
subjectMatter	fissionable materials ⓘ national security ⓘ nuclear energy ⓘ nuclear weapons ⓘ
supersededBy	Atomic Energy Act of 1954 ⓘ

How these facts were elicited

Referenced by (16)

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

Truman administration domestic policy → hasPart → Atomic Energy Act of 1946 ⓘ

United States Atomic Energy Commission → legalBasis → Atomic Energy Act of 1946 ⓘ

AEC → createdBy → Atomic Energy Act of 1946 ⓘ

AEC → legalBasis → Atomic Energy Act of 1946 ⓘ

Atomic Energy Act of 1954 → amends → Atomic Energy Act of 1946 ⓘ

Atomic Energy Act of 1954 → revises → Atomic Energy Act of 1946 ⓘ

McMahon Act → officialName → Atomic Energy Act of 1946 ⓘ

Public Law 79-585 → hasTitle → Atomic Energy Act of 1946 ⓘ

Public Law 79-585 → hasShortTitle → Atomic Energy Act of 1946 ⓘ

79th United States Congress → notableLegislation → Atomic Energy Act of 1946 ⓘ

Brien McMahon → notableWork → Atomic Energy Act of 1946 ⓘ

Brien McMahon → sponsorOf → Atomic Energy Act of 1946 ⓘ

General Advisory Committee of the U.S. Atomic Energy Commission → legalBasis → Atomic Energy Act of 1946 ⓘ

restricted data (U.S. nuclear information classification) → originalGoverningLaw → Atomic Energy Act of 1946 ⓘ

subject surface form: Restricted Data

Joint Committee on Atomic Energy → legalBasis → Atomic Energy Act of 1946 ⓘ

General Advisory Committee → legalBasis → Atomic Energy Act of 1946 ⓘ

All labels observed (1)

How this entity was disambiguated Show

Statements (48)

How these facts were elicited Show

Referenced by (16)

How this entity was disambiguated

How these facts were elicited