# Frederick Samuel Dellenbaugh, Jr.

> Ph.D. Massachusetts Institute of Technology 1926

**Wikidata**: [Q102077484](https://www.wikidata.org/wiki/Q102077484)  
**Source**: https://4ort.xyz/entity/frederick-samuel-dellenbaugh-jr-


## References

1. [Source](https://www.ericwsponberg.com/wp-content/uploads/2021/09/THE-DESIGN-RATIOS.pdf)
2. Mathematics Genealogy Project
3. Virtual International Authority File