German astronomer (1865–1936)
| Born | 11 January 1865 |
| Died | 13 September 1936 |
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German astronomer (1865–1936)
| Born | 11 January 1865 |
| Died | 13 September 1936 |
ID Numbers
- OLID: OL6838372A
- ISNI: 0000000109903642
- Library of Congress Names: n87146372
- VIAF: 77068952
- Wikidata: Q61206
- Inventaire.io: wd:Q61206
Links outside Open Library
Alternative names
- Hartmann, J.
- Johannes Hartmann
- Franz Hartmann
- Juan Hartmann
| August 1, 2025 | Edited by WikidataBot | [sync_author_identifiers_with_wikidata] add wikidata remote identifiers |
| September 27, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| May 27, 2011 | Edited by marycee | corrected name, added complete dates, other names and link |
| November 8, 2010 | Created by marycee | Added Authors |