Karl Bernhard Woldemar Ferdinand von Ditmar (sometimes ''Carl von Ditmar'') ( in

Vändra Vändra (german: Fennern) is a borough ( et, alev) in Põhja-Pärnumaa Parish in Pärnu County, Estonia. It has a population of 2,191 and an area of 3.28 km². Vändra is the birthplace of Estonian journalist and poet Johann Voldemar Janns ...

– in

Tartu Tartu is the second largest city in Estonia after the Northern European country's political and financial capital, Tallinn. Tartu has a population of 91,407 (as of 2021). It is southeast of Tallinn and 245 kilometres (152 miles) northeast of ...

) was a

Baltic German Baltic Germans (german: Deutsch-Balten or , later ) were ethnic German inhabitants of the eastern shores of the Baltic Sea, in what today are Estonia and Latvia. Since their coerced resettlement in 1939, Baltic Germans have markedly declined ...

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althou ...

and

explorer Exploration refers to the historical practice of discovering remote lands. It is studied by geographers and historians. Two major eras of exploration occurred in human history: one of convergence, and one of divergence. The first, covering most ...

, who travelled in and contributed to the scientific understanding of

Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and wes ...

Life and work

Karl von Ditmar was born in

, present-day

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...

as the son of jurist Woldemar Friedrich Carl Ditmar and Charlotte Ditmar, ''née'' Stackelberg. He studied at the

University of Tartu The University of Tartu (UT; et, Tartu Ülikool; la, Universitas Tartuensis) is a university in the city of Tartu in Estonia. It is the national university of Estonia. It is the only classical university in the country, and also its biggest ...

in 1841–1847, where he befriended

Leopold von Schrenck Peter Leopold von Schrenck (russian: Леопольд Иванович фон Шренк; 1826 – 8 January 1894) was a Russian zoologist, geographer and ethnographer. Biography Schrenck came from a Baltic German family, and was born and b ...

and

Karl Maximovich Carl Johann Maximovich (also Karl Ivanovich Maximovich, Russian: Карл Иванович Максимович; 23 November 1827 in Tula, Russia – 16 February 1891 in Saint Petersburg) was a Russian botanist. Maximovich spent most of his life ...

, as well as

Karl Ernst von Baer Karl Ernst Ritter von Baer Edler von Huthorn ( – ) was a Baltic German scientist and explorer. Baer was a naturalist, biologist, geologist, meteorologist, geographer, and is considered a, or the, founding father of embryology. He was ...

. Ditmar began studying agricultural science but after some time changed to

mineralogy Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proces ...

and

geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...

under

Otto Wilhelm Hermann von Abich Otto Wilhelm Hermann von Abich (11 December 18061 July 1886) was a German mineralogist and geologist. Full member of St Petersburg Academy of Sciences (hon. member since 1866). Biography He was born in Berlin and educated at the local universit ...

and Hermann Martin Asmuss. After having graduated university with a

master's degree A master's degree (from Latin ) is an academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional practice.

, Ditmar in 1846–1848 travelled Europe and among other things attended lectures at the Freiberg Mining Academy in present-day Germany. In 1848 he returned to Russia and

Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...

, and through his friendship with Leopold von Schrenck was introduced to

Alexander von Middendorff Alexander Theodor von Middendorff (russian: Алекса́ндр Фёдорович Ми́ддендорф; tr. ; 18 August 1815 – 24 January 1894) was a zoologist and explorer of Baltic German and Estonian extraction. He is known for his ex ...

at the

Imperial Academy of Sciences The Russian Academy of Sciences (RAS; russian: Росси́йская акаде́мия нау́к (РАН) ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across t ...

. In 1851 Ditmar undertook a voyage to

which would last until 1854, and there undertook important scientific investigations. His account of the travels in Kamchatka, published first in 1890, is still used by scientists involved in studies of Kamchatka. In 1855–1856, Ditmar also made a geographical survey trip in the area of the river

Amur The Amur (russian: река́ Аму́р, ), or Heilong Jiang (, "Black Dragon River", ), is the world's List of longest rivers, tenth longest river, forming the border between the Russian Far East and Northeast China, Northeastern China (Inne ...

. He returned to

Livonia Livonia ( liv, Līvõmō, et, Liivimaa, fi, Liivinmaa, German and Scandinavian languages: ', archaic German: ''Liefland'', nl, Lijfland, Latvian and lt, Livonija, pl, Inflanty, archaic English: ''Livland'', ''Liwlandia''; russian: Ли ...

in 1856 and settled in his estate at

Käru Käru is a small borough ( et, alevik) in Türi Parish, Järva County, Estonia. Before the administrative reform in 2017, Käru was the administrative centre of Käru Parish. Käru has a railway station on the Tallinn - Viljandi railway line o ...

, and in 1858 married Wilhelmina Stackelberg. The couple had four daughters.

Selected writings

*
Reisen und Aufenthalt in Kamtschatka in den Jahren 1851-1855.
'

ravel and stay in Kamchatka in the years 1851-1855 Joseph Maurice Ravel (7 March 1875 – 28 December 1937) was a French composer, pianist and conductor. He is often associated with Impressionism in music, Impressionism along with his elder contemporary Claude Debussy, although both composer ...

ref name="VIAF"> * '' Beiträge zur Kenntniss des Russischen Reiches und der angränzenden Länder Asiens.'' ontributions to Knowledge of the Russian Empire and Neighboring Countries of Asiaref name="VIAF"/>

References

External links

Biography at the webpage of Kronotsky Reserve, Kamchatka
{{DEFAULTSORT:Ditmar, Karl von 1822 births 1892 deaths People from Vändra People from Kreis Pernau Baltic-German people 19th-century German geologists Estonian geologists German explorers Estonian explorers University of Tartu alumni