Arnold Escher von der Linth (8 June 1807 in

Zürich , neighboring_municipalities = Adliswil, Dübendorf, Fällanden, Kilchberg, Maur, Oberengstringen, Opfikon, Regensdorf, Rümlang, Schlieren, Stallikon, Uitikon, Urdorf, Wallisellen, Zollikon , twintowns = Kunming, San Francisco Z ...

12 July 1872) was a

Swiss Swiss may refer to: * the adjectival form of Switzerland *Swiss people Places * Swiss, Missouri *Swiss, North Carolina * Swiss, West Virginia *Swiss, Wisconsin Other uses * Swiss-system tournament, in various games and sports * Swiss Internation ...

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 ...

, the son of Hans Conrad Escher von der Linth (1767–1823). He made the first ascent of the

Lauteraarhorn The Lauteraarhorn is a peak (4,042 m) of the Bernese Alps, located in the canton of Bern. Together with the higher Schreckhorn, to which it is connected by a high ridge, it lies between the valleys of the Lower Grindelwald Glacier and the Unteraa ...

on 8 August 1842 together with Pierre Jean Édouard Desor and Christian Girard, and guides Melchior Bannholzer and Jakob Leuthold. He studied geology and other sciences in

Geneva Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...

, where one of his teachers was Nicolas Theodore de Saussure, and in

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitu ...

as a student of Leopold von Buch and

Alexander von Humboldt Friedrich Wilhelm Heinrich Alexander von Humboldt (14 September 17696 May 1859) was a German polymath, geographer, naturalist, explorer, and proponent of Romantic philosophy and science. He was the younger brother of the Prussian minister ...

. In 1856 he became professor of geology at the ''

École Polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...

'' in

and established the Geological Institute there.Dictionnaire historique de la Suisse
(biography) His researches led him to be regarded as one of the founders of Swiss geology. With Bernhard Studer, he was the first to systematically explore the geology of the

Swiss Alps The Alpine region of Switzerland, conventionally referred to as the Swiss Alps (german: Schweizer Alpen, french: Alpes suisses, it, Alpi svizzere, rm, Alps svizras), represents a major natural feature of the country and is, along with the Swis ...

and its neighboring regions (eastern Switzerland,

Vorarlberg Vorarlberg ( , ; gsw, label= Vorarlbergisch, Vorarlbearg, , or ) is the westernmost state () of Austria. It has the second-smallest geographical area after Vienna and, although it also has the second-smallest population, it is the state with th ...

Tyrol Tyrol (; historically the Tyrole; de-AT, Tirol ; it, Tirolo) is a historical region in the Alps - in Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Emp ...

Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...

and

Lombardy (man), (woman) lmo, lumbard, links=no (man), (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , ...

). Also with Studer, he produced a highly acclaimed

geological map A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults, folds, are shown with st ...

of Switzerland (1853).ADB:Escher, Arnold
at

Allgemeine Deutsche Biographie ''Allgemeine Deutsche Biographie'' (ADB, german: Universal German Biography) is one of the most important and comprehensive biographical reference works in the German language. It was published by the Historical Commission of the Bavarian Ac ...

In particular, his scientific liaison with the Scottish geologist

Roderick Murchison Sir Roderick Impey Murchison, 1st Baronet, (19 February 1792 – 22 October 1871) was a Scottish geologist who served as director-general of the British Geological Survey from 1855 until his death in 1871. He is noted for investigating and ...

(1792–1871) made him a contributor to the discovery of the

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleoz ...

system, and the first systematic description of

sedimentary rock Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...

s and their index fossils.Roderick Impey Murchison (1792-1871) an Arnold Escher von der Linth (1807-1872)
(in French) e-manuscripta. ETH Bibliothek Zürich. Retrieved 15 January 2014. He was the author of ''Geologische Bemerkungen über das nordliche Vorarlberg und einige angrenzenden Gegenden'' (Geological observations on the northern Vorarlberg and some adjacent areas), published at Zürich in 1853.

References

{{DEFAULTSORT:Escher von der Linth, Arnold 1807 births 1872 deaths 19th-century Swiss geologists Academic staff of ETH Zurich Swiss mountain climbers Scientists from Zürich Escher von der Linth