# David Schaeffer

> American entrepreneur

**Wikidata**: [Q115676278](https://www.wikidata.org/wiki/Q115676278)  
**Source**: https://4ort.xyz/entity/david-schaeffer


## References

1. [Source](https://bsos.umd.edu/node/5578)
2. [Source](https://www.washingtonpost.com/archive/business/2001/05/16/cogents-new-math/5b5249b0-1e70-4f4a-8501-3ab8445a996e/)