Fëdor Yulievich Levinson-Lessing (Франц Юльевич Левинсон-Лессинг), or Franz Theodor Levinson-Lessing (born February 25, 1861, St. Petersburg-1939) was a Russian geologist

Geologist

A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes and history that has shaped it. Geologists usually engage in studying geology. Geologists, studying more of an applied science than a theoretical one, must approach Geology using...

.

He graduated from the physico-mathematical faculty of the University of St. Petersburg in 1883, was placed in charge of the geological collection in 1886, and was appointed privat-docent at St. Petersburg University in 1889. In 1892 he became professor, and the next year dean, of the physico-mathematical faculty of Yuryev University (today University of Tartu

University of Tartu

The University of Tartu is a classical university in the city of Tartu, Estonia. University of Tartu is the national university of Estonia; it is the biggest and highest-ranked university in Estonia...

). Aside from his work on petrography he published also essays in other branches of geology, the result of scientific journeys throughout Russia.

An island

Firnley Islands

The Firnley Islands, also spelt Firnleya or Firileya is a group of three small islands covered with tundra vegetation and with scattered stones on their shores. They lie in the Kara Sea, close to the bleak coast of Siberia's Taymyr Peninsula, not far east of the Nordenskjold Archipelago...

 in the Kara Sea

Kara Sea

The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya....

was named after this prominent Russian geologist.

Works

In various periodicals more than thirty papers have been published by him, the most important being the following:

• "Olonetzkaya Diabazovaya Formatziya" (in "Trudy St. Peterburgskavo Obschestva Yestestvovyedeniya," xix.);
• "O Fosforitnom Chernozyome" (in "Trudy Volnoekonomicheskavo Obschestva," 1890);
• "O Nyekotorykh Khimicheskikh Tipakh Izvyerzhonykh Porod" (in "Vyestnik Yestestvoznaniya," 1890);
• "Geologicheskiya Izslyedovaniya v Guberlinskhikh Gorakh" (in "Zapiski Mineralnavo Obschestva");
• "Die Variolite von Yalguba" ("Tscherm. Mineral. Mitt." vi.);
• "Die Mikroskopische Beschaffenheit des Jordanalit" (ib. ix.);
• "Etudes sur le Porphirite de Deweboyu" (in "Bulletin de Société Belge de Géologie");
• "1 et 2 Notes sur la Structure des Roches Eruptive" (ib.);
• "Note sur les Taxites et les Roches Elastiques Volcaniques" (ib.);
• "Les Ammonée de la Zone à Sporadoceras Munsteri" (ib.);
• "Petrographisches Lexicon" (2 parts, 1893-95);
• "Tablitzy dlya Mikroskopicheskikh Opredeleni Porodoobraznykh Mineralov."

The last was published in English by Gregory.

External links

Левинсон-Лессинг Франц Юльевич at www.rulex.ru

• Grave of Feodor Yulievich Levinson-Lessing