Johann Gottfried Tulla
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Johann Gottfried Tulla (20 March 1770, in
Karlsruhe Karlsruhe ( , , ; South Franconian: ''Kallsruh'') is the third-largest city of the German state (''Land'') of Baden-Württemberg after its capital of Stuttgart and Mannheim, and the 22nd-largest city in the nation, with 308,436 inhabitants. ...
– 27 March 1828, in
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...
) was a German engineer who accomplished the straightening of the
Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...
, improving navigation and alleviating the effects of flooding. His measures gave the
Upper Rhine The Upper Rhine (german: Oberrhein ; french: Rhin Supérieur) is the section of the Rhine between Basel in Switzerland and Bingen in Germany, surrounded by the Upper Rhine Plain. The river is marked by Rhine-kilometres 170 to 529 (the sc ...
a completely new appearance. The river was deepened and channelled between embankments which narrowed the channels to a width of ; new sections were dug to straighten out its meandering course, and numerous small islands were removed. The effect was to reduce the river's length between
Basel , french: link=no, Bâlois(e), it, Basilese , neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (BS ...
and
Worms Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany, a city **Worms (electoral district) *Worms, Nebraska, U.S. *Worms im Veltlintal, the German name for Bormio, Italy Arts and entertainme ...
from . However, the straightening of the Upper Rhine had increased the streaming speed and thus permanently raised the flood risk in the regions of the Middle and the
Lower Rhine The Lower Rhine (german: Niederrhein; kilometres 660 to 1,033 of the river Rhine) flows from Bonn, Germany, to the North Sea at Hook of Holland, Netherlands (including the Nederrijn or "Nether Rhine" within the Rhine–Meuse–Scheldt delta); al ...
, partial
floodplain restoration Floodplain restoration is the process of fully or partially restoring a river's floodplain to its original conditions before having been affected by the construction of levees (dikes) and the draining of wetlands and marshes. The objectives of re ...
is still performed in a joint program of Germany and France.


Career

Tulla began his training in 1792 with
Karl Christian von Langsdorf Karl Christian von Langsdorf, also known as Carl Christian von Langsdorff (18 May 1757 in Bad Nauheim, Nauheim – 10 June 1834 in Heidelberg), was a German mathematician, geologist, natural scientist and engineer. Life Langsdorf was the son of ...
. From 1794 to 1796 he traveled across Central Europe and to Scandinavia, studying hydraulic projects. During his travels, in 1795 he studied chemistry and mineralogy at the Mining Academy in
Freiberg, Saxony Freiberg is a university and former mining town in Saxony, Germany. It is a so-called ''Große Kreisstadt'' (large county town) and the administrative centre of Mittelsachsen district. Its historic town centre has been placed under heritage ...
. Subsequently, he was transferred to government service in
Baden Baden (; ) is a historical territory in South Germany, in earlier times on both sides of the Upper Rhine but since the Napoleonic Wars only East of the Rhine. History The margraves of Baden originated from the House of Zähringen. Baden is ...
. Further training in Paris followed in 1801, but he was called back to
Karlsruhe Karlsruhe ( , , ; South Franconian: ''Kallsruh'') is the third-largest city of the German state (''Land'') of Baden-Württemberg after its capital of Stuttgart and Mannheim, and the 22nd-largest city in the nation, with 308,436 inhabitants. ...
after a year. There he was appointed to the rank of captain in 1803. Starting in 1807 he worked in
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
on the channelling of the
Linth river The Linth (pronounced "lint") is a Swiss river that rises near the village of Linthal in the mountains of the canton of Glarus, and eventually flows into the Obersee section of Lake Zurich. It is about in length. The water power of the Linth ...
. Also in 1807 he was one of the founders of the school of engineering that was the predecessor of the
University of Karlsruhe The Karlsruhe Institute of Technology (KIT; german: Karlsruher Institut für Technologie) is a public research university in Karlsruhe, Germany. The institute is a national research center of the Helmholtz Association. KIT was created in 2009 w ...
. He was promoted several times in subsequent years, in 1809 to major and in 1814 to lieutenant colonel. In 1817 he was appointed director of the ''Oberdirektion des Wasser- und Straßenbaues'' (Directorate of Water and Road Construction). In this office he was instrumental in planning the stabilizing and straightening of the course of the Upper Rhine, a huge
river engineering River engineering is a discipline of civil engineering which studies human intervention in the course, characteristics, or flow of a river with the intention of producing some defined benefit. People have intervened in the natural course and b ...
project that continued until 1879, long after his death. His appointment as an officer of the French
Légion d'honneur The National Order of the Legion of Honour (french: Ordre national de la Légion d'honneur), formerly the Royal Order of the Legion of Honour ('), is the highest French order of merit, both military and civil. Established in 1802 by Napoleon ...
followed in 1827. Tulla died of the consequences of
malaria Malaria is a mosquito-borne infectious disease that affects humans and other animals. Malaria causes symptoms that typically include fever, tiredness, vomiting, and headaches. In severe cases, it can cause jaundice, seizures, coma, or death. S ...
in 1828 and was buried in the
Montmartre Cemetery The Cemetery of Montmartre (french: link=no, Cimetière de Montmartre) is a cemetery in the 18th arrondissement of Paris, France, that dates to the early 19th century. Officially known as the Cimetière du Nord, it is the third largest necropolis ...
in Paris. His gravestone shows the "Altrip corner," one of the technically most difficult sections of the Rhine straightening, near the village of
Altrip Altrip is a municipality in the Rhein-Pfalz-Kreis, in Rhineland-Palatinate, Germany. It is situated on the left bank of the Rhine, approx. 7 km southeast of Ludwigshafen. Sister city Altrip has one sister city: * Kutztown, Pennsylvania ...
in the Palatinate.


References

{{DEFAULTSORT:Tulla, Johann Gottfried 1770 births 1828 deaths Engineers from Karlsruhe Officiers of the Légion d'honneur Burials at Montmartre Cemetery