# Ronald Fagin

> American computer scientist

**Wikidata**: [Q93124](https://www.wikidata.org/wiki/Q93124)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ronald_Fagin)  
**Source**: https://4ort.xyz/entity/ronald-fagin

## Summary
Ronald Fagin is an American computer scientist and mathematician known for foundational work in finite model theory and relational database theory. He is an IBM researcher and a recipient of major honors including the Gödel Prize (2014) and membership in the U.S. National Academies.

## Biography
- Born: 1945-05-01, Oklahoma City
- Nationality: United States
- Education: Northwest Classen High School; Dartmouth College; University of California, Berkeley
- Known for: Creating the field of finite model theory and fundamental contributions to relational database theory and reasoning about knowledge
- Employer(s): IBM
- Field(s): Computer science; mathematics; information science

## Contributions
Ronald Fagin authored influential research establishing finite model theory as a recognized field and produced foundational work in relational database theory and reasoning about knowledge. He was named an ACM Fellow (2000) explicitly "for creating the field of finite model theory, and for fundamental research in relational database theory and in reasoning about knowledge." His research on aggregation algorithms for combining data from multiple sources was recognized with the Gödel Prize in 2014 for the work titled "Optimal aggregation algorithms for middleware" (shared with Moni Naor and Amnon Lotem). He received the W. Wallace McDowell Award in 2012 "for fundamental and lasting contributions to the theory of databases," and the SIGMOD Edgar F. Codd Innovations Award in 2004 for contributions to database systems. Fagin has been recognized as an IBM Fellow and holds patents (listed under a patents inventor identifier). His scholarly output and collaborations are tracked in major bibliographic databases (DBLP, MathGenealogy, Scopus, Google Scholar), and his Erdős number is 2.

## FAQs
### Q: Who is Ronald Fagin?
A: Ronald Fagin is an American computer scientist and mathematician at IBM, noted for creating finite model theory and for foundational research in relational database theory.

### Q: What major awards has Ronald Fagin won?
A: Fagin won the Gödel Prize in 2014 for "Optimal aggregation algorithms for middleware," the W. Wallace McDowell Award in 2012 for database theory, the SIGMOD Edgar F. Codd Innovations Award (2004), and is an ACM Fellow (2000) and IEEE Fellow.

### Q: Is Ronald Fagin a member of national academies?
A: Yes. He is a member of the National Academy of Engineering (elected 2014) and the National Academy of Sciences (member since 2020), and he was elected to the American Academy of Arts and Sciences (start time 2014).

## Why They Matter
Ronald Fagin's work shaped theoretical foundations that underpin modern database systems and formal methods for reasoning about information. By establishing finite model theory as a distinct field, he provided a rigorous framework for applying logical methods to finite structures—an essential perspective for computer science topics such as database queries, complexity, and information integration. His work on aggregation algorithms addressed practical problems in combining and querying data from multiple sources; that line of research earned the Gödel Prize and influenced middleware and data-aggregation approaches. Honors from ACM, IEEE, the National Academies, and industry (IBM Fellow) reflect both theoretical influence and practical impact. Without Fagin's contributions, the conceptual tools for reasoning about finite structures and the theoretical understanding of relational databases would be less developed, slowing advances in query theory, data integration, and automated reasoning used by researchers and practitioners today.

## Notable For
- Credited (ACM Fellow citation, 2000) with creating the field of finite model theory.
- Gödel Prize recipient (2014) for "Optimal aggregation algorithms for middleware" (shared with Moni Naor and Amnon Lotem).
- W. Wallace McDowell Award (2012) for fundamental contributions to the theory of databases.
- SIGMOD Edgar F. Codd Innovations Award (2004).
- Member of the National Academy of Engineering (2014) and National Academy of Sciences (2020); IBM Fellow; Fellow of AAAS and IEEE.

## Body

### Early life and education
- Born May 1, 1945, in Oklahoma City.
- Attended Northwest Classen High School.
- Studied at Dartmouth College.
- Studied at the University of California, Berkeley.
- Doctoral advisor: Robert Lawson Vaught.

### Career and employment
- Employed by IBM (listed employer).
- Recognized as an IBM Fellow (award listing).
- Maintains profiles across scholarly and patent databases (DBLP, Scopus, Google Scholar, Justia patents).

### Research contributions
- Finite model theory:
  - Credited by ACM (2000 Fellow citation) with creating the field of finite model theory.
  - Work links logic and computation for finite structures; foundational for database theory and complexity questions.
- Relational database theory and reasoning about knowledge:
  - Cited by ACM Fellow award for fundamental research in these areas.
  - Awarded the W. Wallace McDowell Award (2012) specifically "for fundamental and lasting contributions to the theory of databases."
- Aggregation algorithms:
  - Research on optimal aggregation algorithms recognized by the Gödel Prize (2014) for the paper "Optimal aggregation algorithms for middleware," shared with Moni Naor and Amnon Lotem.
- Scholarly presence:
  - DBLP author id: f/RonaldFagin.
  - Google Scholar author id: ohL-Y50AAAAJ.
  - Erdős number: 2.

### Awards and honors
- ACM Fellow (2000) — citation notes creation of finite model theory and database theory contributions.
- Gödel Prize (2014) — for "Optimal aggregation algorithms for middleware."
- W. Wallace McDowell Award (2012) — for contributions to database theory.
- SIGMOD Edgar F. Codd Innovations Award (2004).
- IEEE Fellow (date not specified in source).
- Fellow of the American Association for the Advancement of Science (2006).
- Honorary doctorate, Paris Dauphine University (2000-07-06).

### Professional memberships and recognition
- Member: Institute of Electrical and Electronics Engineers; American Association for the Advancement of Science; Association for Computing Machinery (ACM Fellow); American Academy of Arts and Sciences (from 2014); National Academy of Engineering (from 2014); National Academy of Sciences (from 2020).

### Personal and identification data
- Residence: Los Gatos.
- Languages: English.
- Various authority and identifier records: ISNI 0000000109530276; VIAF 9081102; GND 1137269294; Library of Congress authority n94093177; Math Genealogy Project id 32725; many others listed in bibliographic databases.

## References

1. Czech National Authority Database
2. [Source](https://www.computer.org/profiles/ronald-fagin)
3. [Source](https://eatcs.org/index.php/component/content/article/1-news/1908-goedel-prize-2014)
4. [Source](https://www.computer.org/volunteering/awards/mcdowell)
5. [Source](https://awards.acm.org/award_winners/fagin_N951889#158)
6. [Source](https://www.aaas.org/fellows/historic?field_last_name_value=All&field_year_elected=2006&page=4)
7. [Journal officiel de la République française](http://legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000000387194)
8. Virtual International Authority File
9. CiNii Research
10. [Ronald Fagin | American Academy of Arts and Sciences](https://www.amacad.org/person/ronald-fagin)
11. [Source](https://awards.acm.org/fellows/award-recipients)
12. [Ronald Fagin – NAS](https://www.nasonline.org/directory-entry/ronald-fagin-bweoht/)
13. [Dr. Ronald Fagin](https://www.nae.edu/107928/wd)
14. Mathematics Genealogy Project
15. National Library of Israel Names and Subjects Authority File