Julius Theodor Christian Ratzeburg
Illustration — Julius Theodor Christian Ratzeburg. • Illustration — Teachers of the school of forestry in Neustadt-Eberswalde around 1868 (from left): Robert Hartig (embracing Peter Danckelmann), unknown, Julius Theodor Christian Ratzeburg, Bernhard Danckelmann, Adolf Remelé, Wilhelm Schneider and Wilhelm Schütze • Illustration — Image from Die Waldverderber und ihre Feinde Julius Theodor Christian Ratzeburg (16 February 1801– 24 October 1871) was a German zoologist, botanist, entomologist, and forester.
Also recorded as Ratzeb.
Julius Theodor Christian Ratzeburg

own scan from the book by Karl Escherich "Leben und Forschen. Kampf um eine Wissenschaft". Berlin 1944, original lithography by P. Rohrbach in Zeitschrift für Forst- und Jagdwesen. 4.1872, frontispic · Public domain
- Born
- 1801 · Berlin.
- Died
- 1871 · Berlin.
- Nationality
- Kingdom of Prussia
- Occupation
- botanist · zoologist · entomologist · writer · university teacher · naturalist · forester
- Fields
- botany · forestry · zoology · entomology
- Languages
- German
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Illustration — Julius Theodor Christian Ratzeburg. • Illustration — Teachers of the school of forestry in Neustadt-Eberswalde around 1868 (from left): Robert Hartig (embracing Peter Danckelmann), unknown, Julius Theodor Christian Ratzeburg, Bernhard Danckelmann, Adolf Remelé, Wilhelm Schneider and Wilhelm Schütze • Illustration — Image from Die Waldverderber und ihre Feinde Julius Theodor Christian Ratzeburg (16 February 1801– 24 October 1871) was a German zoologist, botanist, entomologist, and forester.
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Authority files
wikidata · Q64655 · wikipedia · Julius Theodor Christian Ratzeburg
In this article
Biography
Biography
Ratzeburg was born in Berlin, the son of a professor at the veterinary school of the University of Berlin. He studied medicine and natural sciences in Berlin and was primarily interested in botany. He became a private lecturer at the University of Berlin in 1828, when he was in contact with Alexander and Wilhelm von Humboldt. Two years later,[1] he became professor of natural history there at the invitation of Friedrich Wilhelm Leopold Pfeil (1783-1859). He founded the botanic garden of forestry at Eberswalde, working there until his retirement in 1869. He returned to Berlin, where he resided until his death. Ratzeburg was the author of important works on forestry and forest entomology, and is considered the founder of the latter discipline. He was notably interested in parasitic species. From 1827 to 1834, he wrote Medizinische Zoologie (Medical zoology) with Johann Friedrich von Brandt, which was a standard work for many years.
Entomological works
Entomological works
• Die Forstinsekten, Berlin 1837–1844, three volumes and a supplement.; re-edition at Vienna 1885. • Die Waldverderber und ihre Feinde, Berlin, 1841, 8th re-edition of Johann Friedrich Judeich (1828–1894) and Hinrich Nitsche (1845–1902) under the title Lehrbuch der mitteleuropäischen Insektenkunde, Vienna, 1885, with a biography. • Die Ichneumonen der Forstinsekten, Berlin 1844–1852, three volumes. The parts are: • Ratzeburg, J.T.C. 1844 (March 31), Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 1:224pp, 4 plates', Berlin. • Ratzeburg, J.T.C. 1844 (August 31), Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 3:viii+314pp, 16 plates, Berlin • Ratzeburg, J.T.C. 1848, Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 2:vi+238pp, 4 tables, 3 plates, Berlin • Ratzeburg, J.T.C. 1852, Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 3:v–xviii+272pp, 3 tables, Berlin • Die Nachkrankheiten und die Reproduktion der Kiefer nach dem Fraß der Forleule, Berlin, 1862. • Die Waldverderbnis oder dauernder Schaden, welcher durch Insektenfraß, Schälen etc. an lebenden Waldbäumen entsteht, Berlin, 1866–1868, two volumes.
Other subjects
Other subjects
• Handbuch der Zoopharmakologie für Thierärzte. Vol. 1&2. Berlin 1801 Digital edition by the University and State Library Düsseldorf • Medizinische Zoologie, avec Brandt, Berlin, 1827–1834, two volumes. • Abbildung und Beschreibung der in Deutschland wild wachsenden Giftgewächse, with Johann Friedrich von Brandt (1802-1879) and Philipp Phoebus (1804-1880), Berlin 1834; new edition in 1838. • Forstnaturwissenschaftliche Reisen, Berlin 1842. • Die Standortsgewächse und Unkräuter Deutschlands, Berlin 1859. • Forstwissenschaftliches Schriftstellerlexikon, Berlin 1872–1873. In addition, Julius Theodor Christian Ratzeburg continued Friedrich Gottlob Hayne's work Getreue Darstellung und Beschreibung der in der Arzneykunde gebräuchlichen Gewächse. • Getreue Darstellung und Beschreibung der in der Arzneykunde gebräuchlichen Gewächse wie auch solcher, welche mit ihnen verwechselt werden können. 12 Volumes, 1805–1856 (continued from Johann Friedrich Brandt, Julius Theodor Christian Ratzeburg und Johann Friedrich Klotzsch). Digital Edition by the University and State Library Düsseldorf
Identity
Identity
Indexed under Botany and Plant Ecology Studies, Forest Ecology and Biodiversity Studies, Herbal Medicine Research Studies, Entomological Studies and Ecology, Forest Insect Ecology and Management. Recorded as botanist, zoologist, entomologist, writer and university teacher.
Life and career
Dated record
Life and career
The full dated record · 2 entries
1801
Julius Theodor Christian Ratzeburg born at Berlin.
1871
Julius Theodor Christian Ratzeburg died at Berlin.
Primary material
Documents and archives
Institutional database
- Wikidata, structured authority record Q64655: Julius Theodor Christian Ratzeburg
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scholarly index
- OpenAlex author record A5008490223 for Julius Theodor Christian Ratzeburg.
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- 1.1905.
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Wikidata, structured authority record Q64655: Julius Theodor Christian RatzeburgWikimedia Foundation
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Further particulars
Open the remaining particulars
Julius Theodor Christian Ratzeburg worked in botany, forestry, zoology and entomology. He was employed by Humboldt-Universität zu Berlin. He belonged to Russian Academy of Sciences and German Academy of Sciences Leopoldina.
Career and activity
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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