# Frederick John Francis

> Canadian-American chemist (1921-2009) studying natural food colorants

**Wikidata**: [Q113868786](https://www.wikidata.org/wiki/Q113868786)  
**Source**: https://4ort.xyz/entity/frederick-john-francis-q113868786


## References

1. [Source](https://www.umass.edu/archivenewsoffice/article/obituary-jack-francis-professor-emeritus-food-science)
2. Czech National Authority Database
3. [Source](https://archive.org/details/encyclopediaoffo0004unse)
4. Find a Grave
5. [Source](https://www.cast-science.org/charles-a-black-recipients/)
6. NUKAT
7. Virtual International Authority File
8. CiNii Research
9. Library of Congress Authorities