Einstein–Szilard letter

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The Einstein–Szilard letter was a 1939 letter to U.S. President Franklin D. Roosevelt, drafted by Leo Szilard and signed by Albert Einstein, warning about the potential for Nazi Germany to develop atomic weapons and urging the United States to begin its own nuclear research.

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AI-generated illustration of Einstein–Szilard letter

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.

Prompt

Generate an image of the Einstein–Szilard letter (The Einstein–Szilard letter was a 1939 letter to U.S. President Franklin D. Roosevelt, drafted by Leo Szilard and signed by Albert Einstein, warning about the potential for Nazi Germany to develop atomic weapons and urging the United States to begin its own nuclear research.)

All labels observed (3)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf historical document ⓘ
letter ⓘ
addressedTo Franklin D. Roosevelt ⓘ
archivedAt Franklin D. Roosevelt Presidential Library and Museum ⓘ
Library of Congress ⓘ
concerns possibility of extremely powerful bombs ⓘ
use of uranium as a new source of energy ⓘ
context discovery of nuclear fission in 1938 ⓘ
rise of Nazi Germany ⓘ
countryAddressed United States ⓘ
date 1939-08-02 ⓘ
documentType typed letter ⓘ
draftedBy Leo Szilard ⓘ
followedBy creation of the Advisory Committee on Uranium ⓘ
genre political letter ⓘ
scientific advisory letter ⓘ
hasAuthor Leo Szilard ⓘ
hasSignatory Albert Einstein ⓘ
hasTopic industrial production of uranium-based power ⓘ
military applications of nuclear energy ⓘ
uranium chain reactions in large masses ⓘ
historicalPeriod World War II era ⓘ
linked to: World War II
influenced U.S. nuclear policy ⓘ
initiation of U.S. atomic bomb research ⓘ
language English ⓘ
locationWritten United States ⓘ
medium paper ⓘ
mentions availability of uranium ore ⓘ
recent work on nuclear fission ⓘ
motivatedBy fear of Nazi Germany acquiring atomic weapons ⓘ
notableFor Einstein’s involvement in nuclear weapons policy ⓘ
prompting U.S. government attention to nuclear fission ⓘ
proposed U.S. government support for nuclear research ⓘ
coordination between government and physicists ⓘ
recipientOffice President of the United States ⓘ
relatedTo Manhattan Project ⓘ
atomic bomb development ⓘ
nuclear fission ⓘ
requestedAction establishment of contact between Roosevelt and scientists ⓘ
initiation of U.S. uranium program ⓘ
signedBy Albert Einstein ⓘ
subject national security ⓘ
nuclear chain reactions ⓘ
nuclear weapons ⓘ
uranium research ⓘ
warnedAbout German research on uranium ⓘ
potential Nazi German atomic bomb ⓘ
year 1939 ⓘ

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Referenced by (3)

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

Leo Szilard → knownFor → Einstein–Szilard letter ⓘ
Leo Szilard → coAuthored → Einstein–Szilard letter to Franklin D. Roosevelt ⓘ
linked to: Einstein–Szilard letter
Einstein–Szilárd collaboration → relatedTo → Einstein–Szilárd letter ⓘ
linked to: Einstein–Szilard letter