# John F. Heard

> Canadian astronomer, physicist

**Wikidata**: [Q55108318](https://www.wikidata.org/wiki/Q55108318)  
**Source**: https://4ort.xyz/entity/john-f-heard


## References

1. Looking Up: A History of the Royal Astronomical Society of Canada
2. Virtual International Authority File
3. data.bibliotheken.nl
4. Integrated Authority File
5. Astronomy Genealogy Project
6. Norwegian Authority File: Persons and Corporate Bodies
7. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)