Celebrity Signatures
Signature of Karl Cäsar von Leonhard

Karl Cäsar von Leonhard

German geologist and assessor

† 1862-01-23 · Authors · Playwright; cross-wiki notability: present on 8 language Wikipedias
License & source
Public domain · Wikidata
Life

Karl Cäsar von Leonhard was born on September 12, 1779 in Rumpenheim and died on January 23, 1862 in Heidelberg, aged 82. Recorded occupations: geologist, assessor, university teacher, mineralogist, beamter and playwright. Fields of work: mineralogy. Educated at University of Göttingen and University of Marburg. Honours include Royal Order of Vasa. Member of Saint Petersburg Academy of Sciences, Royal Swedish Academy of Sciences, Russian Academy of Sciences and German Academy of Sciences Leopoldina.

At a glance
Born
September 12, 1779 · Rumpenheim
Died
January 23, 1862 · Heidelberg
Age at death
82
Occupations
geologist, assessor, university teacher, mineralogist, beamter, playwright
Education
University of Göttingen, University of Marburg
Honours
Royal Order of Vasa
Wikipedia editions
8 languages
Signature licence
Public domain
About this signature

This image of Karl Cäsar von Leonhard's signature comes from Wikimedia Commons (Wikidata P109 signature file). Its licence is recorded as Public domain, with the file credited to Rudolph Hoffmann. It is linked to the person through Wikidata property P109 (signature), which ties a documented individual to a specific archived file. We show the file as published and do not redraw or retouch it. Deceased 1862: low publicity-rights risk.

Biographical facts: Wikidata Q124569 (CC0), retrieved 2026-10-13. Read more about Karl Cäsar von Leonhard on Wikipedia.

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