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Heinrich Wohlwill
Heinrich Wohlwill (7 February 1874 – 31 January 1943) was a German-Jewish engineer of electrochemistry. Early life Wohlwill was born in Hamburg, in the German Empire, on 7 February 1874, the third of five children of well-known engineer of electrochemistry, Emil Wohlwill. Stolperstein Hamburg, Heinrich Wohlwill. Retrieved 29 November 2018. Heinrich Wohlwill had two older siblings: Marie Wohlwill and Sophie Wohlwill, and two younger siblings: Gretchen Wohlwill and Joachim Friedrich Wohlwill. Heinrich Wohlwill served as the technical director of Norddeutsche Affinerie and as a member of the board until he was removed from the company, due to the Jewish discrimination in Germany. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamburg
Hamburg (, ; nds, label=Hamburg German, Low Saxon, Hamborg ), officially the Free and Hanseatic City of Hamburg (german: Freie und Hansestadt Hamburg; nds, label=Low Saxon, Friee un Hansestadt Hamborg),. is the List of cities in Germany by population, second-largest city in Germany after Berlin, as well as the overall List of cities in the European Union by population within city limits, 7th largest city and largest non-capital city in the European Union with a population of over 1.85 million. Hamburg's urban area has a population of around 2.5 million and is part of the Hamburg Metropolitan Region, which has a population of over 5.1 million people in total. The city lies on the River Elbe and two of its tributaries, the River Alster and the Bille (Elbe), River Bille. One of Germany's 16 States of Germany, federated states, Hamburg is surrounded by Schleswig-Holstein to the north and Lower Saxony to the south. The official name reflects History of Hamburg, Hamburg's history ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent states have a total population of over 84 million in an area of . It borders Denmark to the north, Poland and Czechia to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr. Settlement in what is now Germany began in the Lower Paleolithic, with various tribes inhabiting it from the Neolithic onward, chiefly the Celts. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity. A region named Germania was documented before AD 100. In 962, the Kingdom of Germany formed the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Terezín
Terezín (; german: Theresienstadt) is a town in Litoměřice District in the Ústí nad Labem Region of the Czech Republic. It has about 2,800 inhabitants. It is a former military fortress composed of the citadel and adjacent walled garrison town. The town centre is well preserved and is protected by law as an urban monument reservation. Terezin is most infamously the location of the Nazis' notorious Theresienstadt Ghetto. Administrative parts Villages of České Kopisty, Nové Kopisty and Počaply are administrative parts of Terezín. Geography Terezín is located about south of Litoměřice and southeast of Ústí nad Labem. It lies in a flat landscape of the Lower Eger Table. It is situated on both banks of the Ohře River, near its confluence with the Elbe. The Elbe forms the northern municipal border. History On 10 January 1780, the Habsburg emperor Joseph II ordered the erection of the fortress, named ''Theresienstadt'' after his mother Empress Maria Theresa. In the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Czechoslovakia
, rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 = , s1 = Czech Republic , flag_s1 = Flag of the Czech Republic.svg , s2 = Slovakia , flag_s2 = Flag of Slovakia.svg , image_flag = Flag of Czechoslovakia.svg , flag = Flag of Czechoslovakia , flag_type = Flag(1920–1992) , flag_border = Flag of Czechoslovakia , image_coat = Middle coat of arms of Czechoslovakia.svg , symbol_type = Middle coat of arms(1918–1938 and 1945–1961) , image_map = Czechoslovakia location map.svg , image_map_caption = Czechoslovakia during the interwar period and the Cold War , national_motto = , anthems = ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emil Wohlwill
Wolf Emil Wohlwill (24 November 1835 in Seesen – 2 February 1912 in Hamburg) was a German-Jewish engineer of electrochemistry. He invented the Wohlwill process in 1874. Literary works * ''Galilei und sein Kampf für die copernikanische Lehre'', the 1st volume, 1909 ** the 2nd volume, 1926 See also * Wohlwill process * Wohlwill-Andrade syndrome Familial amyloid polyneuropathy, also called transthyretin-related hereditary amyloidosis, transthyretin amyloidosis abbreviated also as ATTR (hereditary form), or Corino de Andrade's disease, is an autosomal dominant neurodegenerative disease. I ... ReferencesGold Avenue Encyclopedia 1835 births 1912 deaths People from Seesen People from the Duchy of Brunswick 19th-century German Jews Engineers from Lower Saxony {{germany-chemist-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norddeutsche Affinerie
Aurubis AG (formerly Norddeutsche Affinerie AG) is listed on the stock exchange and is the largest copper producer in Europe (the second largest in the world) and the largest copper recycler worldwide. Its headquarters is in Hamburg, Germany. After the acquisition of the Belgian copper producer Cumerio by Norddeutsche Affinerie AG on 18 February 2008, the company re-branded itself as Aurubis as of 1 April 2009. Aurubis produces more than one million tonnes of copper cathodes annually and from them a variety of copper products. It employs about 7,400 people (updated: January 2021). History Aurubis names the company ‘Beit, Marcus und Salomon Gold- und Silberscheider’ (‘Beit, Marcus und Salomon Gold and Silver Parting’) in the Elbstrasse in Hamburg as its predecessor. It was first mentioned in the Hamburg merchant almanac in 1783, but Marcus Salomon Beit was already given the permission to build a silver parting and smelting furnace in Hamburg in 1770. As time went ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wohlwill Process
The Wohlwill process is an industrial-scale chemical procedure used to refine gold to the highest degree of purity (99.999%). The process was invented in 1874 by Emil Wohlwill. This electrochemical process involves using a cast gold ingot, often called a Doré bar, of 95%+ gold to serve as an anode. Lower percentages of gold in the anode will interfere with the reaction, especially when the contaminating metal is silver or one of the platinum group elements. The cathodes for this reaction are small sheets of pure (24k) gold sheeting or stainless steel. Current is applied to the system, and electricity travels through the electrolyte of chloroauric acid. Gold and other metals are dissolved at the anode, and pure gold (coming through the chloroauric acid by ion transfer) is plated onto the gold cathode. When the anode is dissolved, the cathode is removed and melted or otherwise processed in the manner required for sale or use. The resulting gold is 99.999% pure, and of higher purit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Holocaust
The Holocaust, also known as the Shoah, was the genocide of European Jews during World War II. Between 1941 and 1945, Nazi Germany and its collaborators systematically murdered some six million Jews across German-occupied Europe; around two-thirds of Europe's Jewish population. The murders were carried out in pogroms and mass shootings; by a policy of extermination through labor in concentration camps; and in gas chambers and gas vans in German extermination camps, chiefly Auschwitz-Birkenau, Bełżec, Chełmno, Majdanek, Sobibór, and Treblinka in occupied Poland. Germany implemented the persecution in stages. Following Adolf Hitler's appointment as chancellor on 30 January 1933, the regime built a network of concentration camps in Germany for political opponents and those deemed "undesirable", starting with Dachau on 22 March 1933. After the passing of the Enabling Act on 24 March, which gave Hitler dictatorial plenary powers, the government began iso ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theresienstadt Concentration Camp
Theresienstadt Ghetto was established by the SS during World War II in the fortress town of Terezín, in the Protectorate of Bohemia and Moravia ( German-occupied Czechoslovakia). Theresienstadt served as a waystation to the extermination camps. Its conditions were deliberately engineered to hasten the death of its prisoners, and the ghetto also served a propaganda role. Unlike other ghettos, the exploitation of forced labor was not economically significant. The ghetto was established by the transportation of Czech Jews in November 1941. The first German and Austrian Jews arrived in June 1942; Dutch and Danish Jews came at the beginning in 1943, and prisoners of a wide variety of nationalities were sent to Theresienstadt in the last months of the war. About 33,000 people died at Theresienstadt, mostly from malnutrition and disease. More than 88,000 people were held there for months or years before being deported to extermination camps and other killing sites; the Jewish Counci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Engineers From Hamburg
Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the limitations imposed by practicality, regulation, safety and cost. "Science is knowledge based on our observed facts and tested truths arranged in an orderly system that can be validated and communicated to other people. Engineering is the creative application of scientific principles used to plan, build, direct, guide, manage, or work on systems to maintain and improve our daily lives." The word ''engineer'' (Latin ) is derived from the Latin words ("to contrive, devise") and ("cleverness"). The foundational qualifications of an engineer typically include a four-year bachelor's degree in an engineering discipline, or in some jurisdictions, a master's degree in an engineering discipline plus four to six years of peer-reviewed professional ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1874 Births
Events January–March * January 1 – New York City annexes The Bronx. * January 2 – Ignacio María González becomes head of state of the Dominican Republic for the first time. * January 3 – Third Carlist War – Battle of Caspe: Campaigning on the Ebro in Aragon for the Spanish Republican Government, Colonel Eulogio Despujol surprises a Carlist force under Manuel Marco de Bello at Caspe, northeast of Alcañiz. In a brilliant action the Carlists are routed, losing 200 prisoners and 80 horses, while Despujol is promoted to Brigadier and becomes Conde de Caspe. * January 20 – The Pangkor Treaty (also known as the Pangkor Engagement), by which the British extended their control over first the Sultanate of Perak, and later the other independent Malay States, is signed. * January 23 ** Prince Alfred, Duke of Edinburgh, second son of Queen Victoria, marries Grand Duchess Maria Alexandrovna of Russia, only daughter of Tsar Alexander III of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1943 Deaths
Events Below, the events of World War II have the "WWII" prefix. January * January 1 – WWII: The Soviet Union announces that 22 German divisions have been encircled at Stalingrad, with 175,000 killed and 137,650 captured. * January 4 – WWII: Greek-Polish athlete and saboteur Jerzy Iwanow-Szajnowicz is executed by the Germans at Kaisariani. * January 11 ** The United States and United Kingdom revise previously unequal treaty relationships with the Republic of China. ** Italian-American anarchist Carlo Tresca is assassinated in New York City. * January 13 – Anti- Nazi protests in Sofia result in 200 arrests and 36 executions. * January 14 – 24 – WWII: Casablanca Conference: Franklin D. Roosevelt, President of the United States; Winston Churchill, Prime Minister of the United Kingdom; and Generals Charles de Gaulle and Henri Giraud of the Free French forces meet secretly at the Anfa Hotel in Casablanca, Morocco, to plan the Allied European strategy for t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
