# Jacques R. Helfer

> American naturalist

**Wikidata**: [Q119335801](https://www.wikidata.org/wiki/Q119335801)  
**Source**: https://4ort.xyz/entity/jacques-r-helfer


## References

1. Vale Jacques R. (Jack) Helfer 4 May 1920–15 February 1994
2. [Source](https://liminaltrading.co/the-naturalist)
3. [Find a Grave](https://www.findagrave.com/memorial/41678697/jacques-richard-helfer)