# Peter Cooper Hewitt

> (1861-1921) American electrical engineer who invented the first mercury-vapor lamp

**Wikidata**: [Q728601](https://www.wikidata.org/wiki/Q728601)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Peter_Cooper_Hewitt)  
**Source**: https://4ort.xyz/entity/peter-cooper-hewitt


## References

1. Genealogics
2. Find a Grave
3. [Source](https://www.fi.edu/en/laureates/peter-cooperhewitt)
4. Virtual International Authority File
5. [Source](https://www.science.org/doi/pdf/10.1126/science.42.1081.371.a)
6. Encyclopædia Britannica Online
7. SNAC
8. Freebase Data Dumps. 2013
9. Library of Congress Control Number
10. Treccani's Enciclopedia on line