Szilard petition

E96397

The Szilard petition was a 1945 document signed by Manhattan Project scientists urging the U.S. government to demonstrate the atomic bomb’s power before using it on Japanese cities, reflecting early ethical concerns about nuclear weapons.

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AI-generated illustration of Szilard petition

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

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Generate an image of the Szilard petition (The Szilard petition was a 1945 document signed by Manhattan Project scientists urging the U.S. government to demonstrate the atomic bomb’s power before using it on Japanese cities, reflecting early ethical concerns about nuclear weapons.)

All labels observed (3)

Label Occurrences
Szilard petition canonical 1
Szilárd Petition 1
Szilárd petition 1

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf Manhattan Project document ⓘ
anti-nuclear weapons document ⓘ
historical document ⓘ
petition ⓘ
addressedTo Harry S. Truman ⓘ
President of the United States ⓘ
archivedAt Library of Congress ⓘ
U.S. National Archives ⓘ
callsFor avoidance of surprise nuclear attack on cities ⓘ
consideration of moral responsibility ⓘ
non-combat demonstration of the atomic bomb ⓘ
warning to Japan before atomic bomb use ⓘ
countryOfOrigin United States ⓘ
createdAt Metallurgical Laboratory ⓘ
University of Chicago ⓘ
date 1945-07-03 ⓘ
1945-07-17 ⓘ
expressesConcernAbout future of humanity under nuclear weapons ⓘ
killing of civilians ⓘ
moral precedent of first atomic bomb use ⓘ
handledBy General Leslie Groves ⓘ
James F. Byrnes ⓘ
hasAlternativeName A Petition to the President of the United States ⓘ
Szilárd petition ⓘ
linked to: Szilard petition
hasAuthor Leó Szilárd ⓘ
linked to: Leo Szilard
hasFullTextAvailableAt Atomic Heritage Foundation website ⓘ
U.S. National Archives website ⓘ
historicalSignificance early ethical critique of nuclear weapons use ⓘ
early organized protest by nuclear scientists ⓘ
influenced debates on scientists' social responsibility ⓘ
later anti-nuclear movements ⓘ
language English ⓘ
numberOfSignatories 70 ⓘ
opposes unannounced atomic bombing of Japanese cities ⓘ
placeOfOrigin Chicago, Illinois ⓘ
recipientDecision not shown to President Truman before Hiroshima bombing ⓘ
relatedTo Hiroshima ⓘ
Manhattan Project ⓘ
Nagasaki ⓘ
World War II ⓘ
atomic bomb ⓘ
nuclear weapons ethics ⓘ
signedBy Leó Szilárd ⓘ
linked to: Leo Szilard

Manhattan Project scientists ⓘ
scientists at the Metallurgical Laboratory ⓘ
topic civilian casualties ⓘ
demonstration of atomic bomb ⓘ
international control of nuclear weapons ⓘ
use of atomic bombs against Japan ⓘ
year 1945 ⓘ

How these facts were elicited

Referenced by (3)

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

Leo Szilard → organized → Szilard petition ⓘ
Szilard petition → hasAlternativeName → Szilárd petition ⓘ
linked to: Szilard petition
A Petition to the President of the United States → alsoKnownAs → Szilárd Petition ⓘ
linked to: Szilard petition