# Richard Pettigrew

> logician

**Wikidata**: [Q88425186](https://www.wikidata.org/wiki/Q88425186)  
**Source**: https://4ort.xyz/entity/richard-pettigrew


## References

1. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-0822-4300/education/5174258)
2. Mathematics Genealogy Project
3. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-0822-4300/education/5174254)
4. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-0822-4300/education/5174247)
5. Integrated Authority File
6. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-0822-4300/external-identifiers/912227)