# Eugene Carlyle Johnsen

> Ph.D. The Ohio State University 1961

**Wikidata**: [Q102160710](https://www.wikidata.org/wiki/Q102160710)  
**Source**: https://4ort.xyz/entity/eugene-carlyle-johnsen


## References

1. [Source](https://www.independent.com/obits/2025/02/03/eugene-carlyle-johnsen-ph-d/)
2. Mathematics Genealogy Project