# Heinrich Christian Schumacher

> German-Danish astronomer (1780-1850)

**Wikidata**: [Q63140](https://www.wikidata.org/wiki/Q63140)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heinrich_Christian_Schumacher)  
**Source**: https://4ort.xyz/entity/heinrich-christian-schumacher


## References

1. www.accademiadellescienze.it
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. Integrated Authority File
5. Complete List of Royal Society Fellows 1660-2007
6. [Dansk Biografisk Leksikon, 3rd edition](https://biografiskleksikon.lex.dk/H.C._Schumacher)
7. [Mathematics Genealogy Project](http://www.genealogy.ams.org/id.php?id=168552)
8. BnF authorities
9. Virtual International Authority File
10. CiNii Research
11. [Source](https://kalliope-verbund.info/DE-611-BF-4125)
12. [Source](https://kalliope-verbund.info/DE-611-BF-130238)
13. SNAC
14. Dansk Biografisk Leksikon
15. Freebase Data Dumps. 2013
16. MacTutor History of Mathematics archive
17. [Annales de Gergonne](https://fr.wikisource.org/wiki/Annales_de_math%C3%A9matiques_pures_et_appliqu%C3%A9es/Tome_01/G%C3%A9om%C3%A9trie_analitique,_article_4)
18. National Library of Israel Names and Subjects Authority File