LA-1
E676352
LA-1 is the alternative title for the Los Alamos Primer, the foundational lecture series that introduced scientists to the basic principles of nuclear weapon design during the Manhattan Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LA-1 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7618421 — 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: LA-1 Context triple: [Los Alamos Primer, hasAlternativeTitle, LA-1]
-
A.
LAU-131
LAU-131 is a lightweight, seven-tube rocket launcher commonly mounted on helicopters and fixed-wing aircraft to fire 70 mm (2.75 in) Hydra rockets.
-
B.
LAU
LAU is a private, internationally oriented university in Lebanon known for its American-style higher education and multiple campuses.
-
C.
LAU-68
The LAU-68 is an aircraft-mounted rocket launcher pod commonly used by U.S. and allied forces to fire 2.75-inch (70 mm) rockets in close air support and attack missions.
-
D.
LAJ
LAJ is the station code for La Junta station, an Amtrak railroad stop in La Junta, Colorado, serving long-distance passenger trains.
-
E.
LAC
LAC refers to the Los Angeles Clippers, a professional NBA basketball team based in Los Angeles and a crosstown rival of the Los Angeles Lakers.
- 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: LA-1 Target entity description: LA-1 is the alternative title for the Los Alamos Primer, the foundational lecture series that introduced scientists to the basic principles of nuclear weapon design during the Manhattan Project.
-
A.
LAU-131
LAU-131 is a lightweight, seven-tube rocket launcher commonly mounted on helicopters and fixed-wing aircraft to fire 70 mm (2.75 in) Hydra rockets.
-
B.
LAU
LAU is a private, internationally oriented university in Lebanon known for its American-style higher education and multiple campuses.
-
C.
LAU-68
The LAU-68 is an aircraft-mounted rocket launcher pod commonly used by U.S. and allied forces to fire 2.75-inch (70 mm) rockets in close air support and attack missions.
-
D.
LAJ
LAJ is the station code for La Junta station, an Amtrak railroad stop in La Junta, Colorado, serving long-distance passenger trains.
-
E.
LAC
LAC refers to the Los Angeles Clippers, a professional NBA basketball team based in Los Angeles and a crosstown rival of the Los Angeles Lakers.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historical document
ⓘ
lecture series ⓘ physicist ⓘ technical report ⓘ |
| alternativeTitleOf | Los Alamos Primer ⓘ |
| author | Robert Serber ⓘ |
| classifiedAs | Top Secret (originally) ⓘ |
| commissionedBy |
Manhattan Project leadership
ⓘ
linked to:
Manhattan Project
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| createdBy | Robert Serber ⓘ |
| dateOfCreation |
1943
ⓘ
1943 ⓘ |
| declassified | 1965 ⓘ |
| describes |
basic principles of nuclear weapon design
ⓘ
critical mass ⓘ efficiency of fission assemblies ⓘ gun-type design concepts ⓘ implosion design concepts ⓘ materials for nuclear weapons ⓘ neutron diffusion ⓘ neutron initiators ⓘ physics of nuclear fission ⓘ plutonium-239 ⓘ radiation hydrodynamics (qualitative) ⓘ tamper and reflector effects ⓘ uranium-235 ⓘ weapon yield estimation ⓘ |
| employer | Los Alamos Laboratory ⓘ |
| hasAlternativeTitle | LA-1 ⓘ |
| hasEdition | declassified published edition ⓘ |
| hasFormat |
PDF (modern reproduction)
ⓘ
printed booklet ⓘ typed lecture notes ⓘ |
| historicalSignificance | foundational document of nuclear weapons theory ⓘ |
| identifierFor | first Los Alamos report in LA-series ⓘ |
| influenced | subsequent nuclear weapons design documentation ⓘ |
| intendedAudience | physicists at Los Alamos ⓘ |
| language | English ⓘ |
| locationOfCreation | Los Alamos Laboratory ⓘ |
| mainSubject |
Manhattan Project
ⓘ
fission weapons ⓘ nuclear weapon design ⓘ |
| partOf | Manhattan Project ⓘ |
| repository |
Los Alamos National Laboratory archives
ⓘ
U.S. Department of Energy archives ⓘ |
| titleAbbreviation | LA-1 ⓘ |
| usedAs | introductory course for new Manhattan Project scientists ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: LA-1 Description of subject: LA-1 is the alternative title for the Los Alamos Primer, the foundational lecture series that introduced scientists to the basic principles of nuclear weapon design during the Manhattan Project.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.