John D. and Catherine T. MacArthur Foundation

E21782

philanthropic organization private foundation

The John D. and Catherine T. MacArthur Foundation is a major private philanthropic organization known for funding creative individuals and institutions through initiatives in areas such as social justice, climate solutions, and the arts.

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All labels observed (3)

Label	Occurrences
John D. and Catherine T. MacArthur Foundation canonical	8
MacArthur Foundation	6
The MacArthur Foundation	1

How this entity was disambiguated

This entity first appeared as the object of triple T165803 — 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: John D. and Catherine T. MacArthur Foundation
Context triple: [MacArthur Fellows, awardedBy, John D. and Catherine T. MacArthur Foundation]

A. The David and Lucile Packard Foundation
The David and Lucile Packard Foundation is a private philanthropic organization that supports initiatives in conservation, science, reproductive health, children and families, and local communities, particularly in California and globally.
B. Hewlett Foundation
The Hewlett Foundation is a major philanthropic organization known for funding initiatives in education, the environment, and global development, including early and sustained support for open educational resources.
C. Rockefeller Foundation
The Rockefeller Foundation is a major American philanthropic organization that funds global initiatives in public health, agriculture, education, and social innovation.
D. Carnegie Corporation of New York
Carnegie Corporation of New York is a major philanthropic foundation that supports education, democracy, and international peace initiatives in the United States and around the world.
E. Alfred P. Sloan Foundation
The Alfred P. Sloan Foundation is a U.S.-based philanthropic nonprofit organization that funds research and education in science, technology, engineering, mathematics, and economics.
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: John D. and Catherine T. MacArthur Foundation
Target entity description: The John D. and Catherine T. MacArthur Foundation is a major private philanthropic organization known for funding creative individuals and institutions through initiatives in areas such as social justice, climate solutions, and the arts.

A. The David and Lucile Packard Foundation
The David and Lucile Packard Foundation is a private philanthropic organization that supports initiatives in conservation, science, reproductive health, children and families, and local communities, particularly in California and globally.
B. Hewlett Foundation
The Hewlett Foundation is a major philanthropic organization known for funding initiatives in education, the environment, and global development, including early and sustained support for open educational resources.
C. Rockefeller Foundation
The Rockefeller Foundation is a major American philanthropic organization that funds global initiatives in public health, agriculture, education, and social innovation.
D. Carnegie Corporation of New York
Carnegie Corporation of New York is a major philanthropic foundation that supports education, democracy, and international peace initiatives in the United States and around the world.
E. Alfred P. Sloan Foundation
The Alfred P. Sloan Foundation is a U.S.-based philanthropic nonprofit organization that funds research and education in science, technology, engineering, mathematics, and economics.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	philanthropic organization ⓘ private foundation ⓘ
country	United States of America ⓘ surface form: United States
endowment	multi-billion-dollar endowment ⓘ
fieldOfWork	arts and culture ⓘ climate solutions ⓘ community development ⓘ criminal justice reform ⓘ education ⓘ global development ⓘ human rights ⓘ journalism ⓘ nuclear risk reduction ⓘ social justice ⓘ
foundedBy	Catherine T. MacArthur ⓘ John D. MacArthur ⓘ
grantMakingFocus	climate change mitigation ⓘ reducing mass incarceration ⓘ social and racial equity ⓘ strengthening democracy ⓘ
hasAbbreviation	John D. and Catherine T. MacArthur Foundation self-linksurface differs ⓘ surface form: MacArthur Foundation
hasProgram	100&Change competition ⓘ Climate Solutions initiative ⓘ Journalism and Media program ⓘ MacArthur Fellowship ⓘ surface form: MacArthur Fellows Program On Nigeria initiative ⓘ Safety and Justice Challenge ⓘ
headquartersLocation	Chicago, Illinois, United States ⓘ surface form: Chicago, Illinois
inception	1970 ⓘ
industry	philanthropy ⓘ
knownFor	MacArthur Fellowship ⓘ surface form: MacArthur Fellows Program supporting creative individuals ⓘ supporting independent media ⓘ supporting nonprofit organizations ⓘ
legalForm	nonprofit organization ⓘ
locatedInTimeZone	Central Time Zone ⓘ
missionStatement	to support creative people, effective institutions, and influential networks building a more just, verdant, and peaceful world ⓘ
namedAfter	Catherine T. MacArthur ⓘ John D. MacArthur ⓘ
operatesIn	United States of America ⓘ surface form: United States international ⓘ
productOrService	fellowships ⓘ grants ⓘ impact investments ⓘ
taxStatus	501(c)(3) organization ⓘ
website	https://www.macfound.org ⓘ

How these facts were elicited

Referenced by (15)

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

MacArthur Fellows → awardedBy → John D. and Catherine T. MacArthur Foundation ⓘ

John D. and Catherine T. MacArthur Foundation → hasAbbreviation → John D. and Catherine T. MacArthur Foundation self-linksurface differs ⓘ