# E. R. Johnson

> Ph.D. University of Cambridge 1977

**Wikidata**: [Q58422144](https://www.wikidata.org/wiki/Q58422144)  
**Source**: https://4ort.xyz/entity/e-r-johnson


## References

1. Mathematics Genealogy Project
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-7129-8471/employment/12020484)
3. [Source](https://profiles.ucl.ac.uk/8836-edward-johnson)
4. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-7129-8471/researcher-urls/821005)