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Hugo Stoltzenberg
Hugo Gustav Adolf Stoltzenberg (27 April 1883 – 14 January 1974) was a German chemist associated with the German government's clandestine chemical warfare activities in the early 1920s. Stoltzenberg was a close collaborator of Nobel Prize laureate Fritz Haber, the father of German chemical warfare. They both collaborated in the disposal of chemical warfare materials and the building of manufacturing plants in La Marañosa, near Madrid, Spain, the Soviet Union and Germany. Early life Stoltzenberg was born on 27 April 1883 in Strengen near Landeck, Tyrol. His father, Karl Theodor Stoltzenberg (1854–1893), was an engineer. Stoltzenberg attended school in Vienna, Leipzig and East Cambridge, and completed his Abitur in 1904 in Frankfurt-on-the-Oder. He studied law, then mathematics, and finally chemistry in Halle from 1905 to 1907. In 1907, he went to Gießen for a year. He returned to Halle and was an assistant to Daniel Vorländer until 1910. In 1911, he became an assistant to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German People
, native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = 21,000 3,000,000 , region5 = , pop5 = 125,000 982,226 , region6 = , pop6 = 900,000 , region7 = , pop7 = 142,000 840,000 , region8 = , pop8 = 9,000 500,000 , region9 = , pop9 = 357,000 , region10 = , pop10 = 310,000 , region11 = , pop11 = 36,000 250,000 , region12 = , pop12 = 25,000 200,000 , region13 = , pop13 = 233,000 , region14 = , pop14 = 211,000 , region15 = , pop15 = 203,000 , region16 = , pop16 = 201,000 , region17 = , pop17 = 101,000 148,00 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frankfurt-on-the-Oder
Frankfurt (Oder), also known as Frankfurt an der Oder (), is a city in the German state of Brandenburg. It has around 57,000 inhabitants, is one of the easternmost cities in Germany, the fourth-largest city in Brandenburg, and the largest German city on the river Oder. Frankfurt sits on the western bank of the river, opposite the Polish town of Słubice, which was a part of Frankfurt until 1945, and called ''Dammvorstadt'' until then. The city is located about east of Berlin, in the south of the historical region Lubusz Land. The large lake Helenesee lies within Frankfurt's city limits. The name of the city makes reference to the Franks, and means ''Ford of the Franks'', and there appears a Gallic rooster in the coat of arms of the city. The official name ''Frankfurt (Oder)'' and the older ''Frankfurt an der Oder'' are used to distinguish it from the larger city of Frankfurt am Main. The city's recorded history began in the 13th century as a West Slavic settlement. During its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fighting occurring throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia. An estimated 9 million soldiers were killed in combat, plus another 23 million wounded, while 5 million civilians died as a result of military action, hunger, and disease. Millions more died in genocides within the Ottoman Empire and in the 1918 influenza pandemic, which was exacerbated by the movement of combatants during the war. Prior to 1914, the European great powers were divided between the Triple Entente (comprising France, Russia, and Britain) and the Triple Alliance (containing Germany, Austria-Hungary, and Italy). Tensions in the Balkans came to a head on 28 June 1914, following the assassination of Archduke Franz Ferdin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mustard Gas
Mustard gas or sulfur mustard is a chemical compound belonging to a family of cytotoxic and blister agents known as mustard agents. The name ''mustard gas'' is technically incorrect: the substance, when dispersed, is often not actually a gas, but is instead in the form of a fine mist of liquid droplets.https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/gc-mustard-gas-personal-safety-and-natl-security.pdf Mustard gases form blisters on exposed skin and in the lungs, often resulting in prolonged illness ending in death. The active ingredient in typical mustard gas is the organosulfur compound bis(2-chloroethyl) sulfide. In the wider sense, compounds with the structural element are known as ''sulfur mustards'' and ''nitrogen mustards'', respectively. Such compounds are potent alkylating agents, which can interfere with several biological processes. History as chemical weapons As a chemical weapon, mustard gas was first used in World War I, and has ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chlorine Gas
Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity on the revised Pauling scale, behind only oxygen and fluorine. Chlorine played an important role in the experiments conducted by medieval alchemists, which commonly involved the heating of chloride salts like ammonium chloride (sal ammoniac) and sodium chloride ( common salt), producing various chemical substances containing chlorine such as hydrogen chloride, mercury(II) chloride (corrosive sublimate), and hydrochloric acid (in the form of ). However, the nature of free chlorine gas as a separate substance was only recognised around 1630 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Front (World War I)
The Western Front was one of the main theatres of war during the First World War. Following the outbreak of war in August 1914, the German Army opened the Western Front by invading Luxembourg and Belgium, then gaining military control of important industrial regions in France. The German advance was halted with the Battle of the Marne. Following the Race to the Sea, both sides dug in along a meandering line of fortified trenches, stretching from the North Sea to the Swiss frontier with France, which changed little except during early 1917 and in 1918. Between 1915 and 1917 there were several offensives along this front. The attacks employed massive artillery bombardments and massed infantry advances. Entrenchments, machine gun emplacements, barbed wire and artillery repeatedly inflicted severe casualties during attacks and counter-attacks and no significant advances were made. Among the most costly of these offensives were the Battle of Verdun, in 1916, with a combined 700,000 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poison Gas
Many gases have toxic properties, which are often assessed using the LC50 (median lethal dose) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits ( TLV, TWA or STEL) determined by the ACGIH professional association. Some, but by no means all, toxic gases are detectable by odor, which can serve as a warning. Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene. Definition *Toxic: it is a chemical that has a median lethal concentration (LC50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats weighing between 200 and 300 grams each. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belgium
Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to the southwest, and the North Sea to the northwest. It covers an area of and has a population of more than 11.5 million, making it the 22nd most densely populated country in the world and the 6th most densely populated country in Europe, with a density of . Belgium is part of an area known as the Low Countries, historically a somewhat larger region than the Benelux group of states, as it also included parts of northern France. The capital and largest city is Brussels; other major cities are Antwerp, Ghent, Charleroi, Liège, Bruges, Namur, and Leuven. Belgium is a sovereign state and a federal constitutional monarchy with a parliamentary system. Its institutional organization is complex and is structured on both regional ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Second Battle Of Ypres
During the First World War, the Second Battle of Ypres was fought from for control of the tactically important high ground to the east and south of the Flemish town of Ypres in western Belgium. The First Battle of Ypres had been fought the previous autumn. The Second Battle of Ypres was the first mass use by Germany of poison gas on the Western Front. Background The eminent German chemist Walther Nernst, who was in the army in 1914 as a volunteer driver, saw how trenches produced deadlock. He proposed to Colonel Max Bauer, the German general staff officer responsible for liaison with scientists, that they could empty the opposing trenches by a surprise attack with tear gas. Observing a field test of this idea, the chemist Fritz Haber instead proposed using heavier-than-air chlorine gas The German commander Erich von Falkenhayn agreed to try the new weapon, but intended to use it in a diversionary attack by his 4th Army. Falkenhayn wanted to use the gas to cover the withdra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich Bergius
Friedrich Karl Rudolf Bergius (, 11 October 1884 – 30 March 1949) was a German chemist known for the Bergius process for producing synthetic fuel from coal, Nobel Prize in Chemistry (1931, together with Carl Bosch) in recognition of contributions to the invention and development of chemical high-pressure methods. Having worked with IG Farben during World War II, his citizenship came into question following the war, causing him to ultimately flee to Argentina, where he acted as adviser to the Ministry of Industry. Bergius was born near Breslau (Wrocław), within the German Empire's Prussian Province of Silesia. Academic career Before studying chemistry, Bergius was sent to work for 6 months at the Friedrich Wilhelms steel works in Mülheim. His studies started at the University of Breslau in 1903 and ended with a PhD in chemistry at the University of Leipzig in 1907, after only 4 years. His thesis on sulfuric acid as solvent was supervised by Arthur Rudolf Hantzsch. In 1909 Be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heinrich Biltz
Heinrich Biltz (26 May 1865 – 29 October 1943) was a German chemist and professor. Life and career Heinrich Biltz was the son of Karl Friedrich Biltz who was a literary scholar and theatre critic His brother Wilhelm Biltz was also a noted chemist. After his university entrance diploma at the Royal Grammar School (Königliches Wilhelm-Gymnasium) in Berlin in 1885 Heinrich began studying chemistry in the Humboldt University of Berlin with August Wilhelm von Hofmann. later studying at the University of Göttingen with Victor Meyer. In 1888 he was awarded his doctorate in natural science with the continuation of research commenced by Victor Meyer on the molecular weight of substances at high temperatures. During this time he also determined the vapour density from Tin (II) chloride and Sulphur. From 8 July 1891 to 1897, Heinrich was a professor of chemistry at the University of Greifswald. In 1897 he became a professor of the Department of Inorganic Chemistry at the Universi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
