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Showing posts with label Austria. Show all posts
Showing posts with label Austria. Show all posts

Biografi Adolf Hitler Pemimpin Partai Nazi Jerman

Biografi Adolf Hitler - Pemimpin Partai Nazi JermanAdolf Hitler yang lahir 20 April 1889 – 30 April 1945 adalah seorang politisi Jerman dan ketua Partai Nazi kelahiran Austria. Ia menjabat sebagai Kanselir Jerman sejak 1933 sampai 1945 dan diktator Jerman Nazi (bergelar Führer und Reichskanzler) mulai tahun 1934 sampai 1945. Hitler menjadi tokoh utama Jerman Nazi, Perang Dunia II di Eropa, dan Holocaust. Hitler adalah veteran Perang Dunia I dengan banyak gelar. Ia bergabung dengan Partai Pekerja Jerman (pendahulu NSDAP) pada tahun 1919, dan menjadi ketua NSDAP tahun 1921. Tahun 1923, ia melancarkan kudeta di Munich yang dikenal dengan peristiwa Beer Hall Putsch. Kudeta yang gagal tersebut berujung dengan ditahannya Hitler.

Di penjara, Hitler menulis memoarnya, Mein Kampf (Perjuanganku). Setelah bebas tahun 1924, Hitler mendapat dukungan rakyat dengan mengecam Perjanjian Versailles dan menjunjung Pan-Jermanisme, antisemitisme, dan anti-komunisme melalui pidatonya yang karismatik dan propaganda Nazi. Setelah ditunjuk sebagai kanselir pada tahun 1933, ia mengubah Republik Weimar menjadi Reich Ketiga, sebuah kediktatoran satu partai yang didasarkan pada ideologi Nazisme yang totalitarian dan otokratik. Tujuan Hitler adalah mendirikan Orde Baru hegemoni Jerman Nazi yang absolut di daratan Eropa. Sampai saat itu, kebijakan luar dan dalam negerinya bertujuan mencapai Lebensraum ("ruang hidup") bagi kaum Jermanik. Ia memerintahkan Jerman dipersenjatai kembali dan Wehrmacht menginvasi Polandia pada bulan September 1939, menyebabkan pecahnya Perang Dunia II di Eropa.

Di bawah pemerintahan Hitler, pada tahun 1941 pasukan Jerman dan sekutu Eropanya menduduki sebagian besar Eropa dan Afrika Utara. Tahun 1943, Jerman terpaksa bertahan diri dan mengalami serangkaian kekalahan dalam pertempuran. Pada hari-hari terakhir perang, saat Pertempuran Berlin berlangsung tahun 1945, Hitler menikahi kekasih lamanya, Eva Braun. Tanggal 30 April 1945, kurang dari dua hari kemudian, keduanya bunuh diri agar tidak ditangkap Angkatan Darat Merah, lalu mayat mereka dibakar. Kebijakan Hitler yang supremasis dan termotivasi oleh ras mengakibatkan kematian sekitar 50 juta orang selama Perang Dunia II, termasuk 6 juta kaum Yahudi dan 5 juta etnis "non-Arya" yang pemusnahan sistematisnya diperintahkan oleh Hitler dan rekan-rekan terdekatnya.


Biografi Adolf Hitler - Pemimpin Partai Nazi JermanAdolf Hitler (German: 20 April 1889 – 30 April 1945) was an Austrian-born German politician and the leader of the Nazi Party (German: Nationalsozialistische Deutsche Arbeiterpartei (NSDAP); National Socialist German Workers Party). He was chancellor of Germany from 1933 to 1945 and dictator of Nazi Germany (as Führer und Reichskanzler) from 1934 to 1945. Hitler was at the centre of Nazi Germany, World War II in Europe, and the Holocaust. Hitler was a decorated veteran of World War I. He joined the German Workers' Party (precursor of the NSDAP) in 1919, and became leader of the NSDAP in 1921. In 1923, he attempted a coup in Munich to seize power. The failed coup resulted in Hitler's imprisonment, during which time he wrote his memoir, Mein Kampf (My Struggle). After his release in 1924, Hitler gained popular support by attacking the Treaty of Versailles and promoting Pan-Germanism, antisemitism, and anti-communism with charismatic oratory and Nazi propaganda. Hitler frequently denounced international capitalism and communism as being part of a Jewish conspiracy.

Hitler's Nazi Party became the largest elected party in the German Reichstag, leading to his appointment as chancellor in 1933. Following fresh elections won by his coalition, the Reichstag passed the Enabling Act, which began the process of transforming the Weimar Republic into the Third Reich, a single-party dictatorship based on the totalitarian and autocratic ideology of National Socialism. Hitler aimed to eliminate Jews from Germany and establish a New Order to counter what he saw as the injustice of the post-World War I international order dominated by Britain and France. His first six years in power resulted in rapid economic recovery from the Great Depression, the denunciation of restrictions imposed on Germany after World War I, and the annexation of territories that were home to millions of ethnic Germans, actions which gave him significant popular support.

Hitler actively sought Lebensraum ("living space") for the German people. His aggressive foreign policy is considered to be the primary cause of the outbreak of World War II in Europe. He directed large-scale rearmament and on 1 September 1939 invaded Poland, resulting in British and French declarations of war on Germany. In June 1941, Hitler ordered an invasion of the Soviet Union. By the end of 1941 German forces and their European allies occupied most of Europe and North Africa. Failure to defeat the Soviets and the entry of the United States into the war forced Germany onto the defensive and it suffered a series of escalating defeats. In the final days of the war, during the Battle of Berlin in 1945, Hitler married his long-time lover, Eva Braun. On 30 April 1945, less than two days later, the two committed suicide to avoid capture by the Red Army, and their corpses were burned. Under Hitler's leadership and racially motivated ideology, the regime was responsible for the genocide of at least 5.5 million Jews, and millions of other victims whom he and his followers deemed racially inferior.

Karl Landsteiner - Penemu Golongan Darah

Biografi Biography Biografia Karl LandsteinerKarl Landsteiner (lahir 14 Juni 1868 – meninggal 26 Juni 1943 pada umur 75 tahun) ialah seorang ilmuwan Austria keturunan Yahudi. Ialah tokoh yang menemukan bahwa darah manusia terbagi menjadi 4 kelompok yang sekarang dikenal dengan golongan darah O, A, B, dan AB. Dengan penemuannya tersebut, orang dapat mentransfusi darahnya dengan aman dan tidak sembarangan untuk menstrafusi darah. Ilmuwan Austria, Karl Landsteiner, memperoleh penghargaan Nobel dalam bidang Fisiologi dan Kedokteran pada tahun 1930 untuk jasanya menemukan cara penggolongan darah ABO. Jan Janskýdi pada tahun 1907 mengklasifikasikan darah manusia ke dalam empat grup, yang hingga kini masih digunakan.

Golongan darah adalah ilmu pengklasifikasian darah dari suatu kelompok berdasarkan ada atau tidak adanya zat antigen warisan pada permukaan membran sel darah merah. Hal ini disebabkan karena adanya perbedaan jenis karbohidrat dan protein pada permukaan membran sel darah merah tersebut. Dua jenis penggolongan darah yang paling penting adalah penggolongan ABO dan Rhensus (faktor Rh). Di dunia ini sebenarnya dikenal sekitar 46 jenis antigen selain antigen ABO dan Rh, hanya saja lebih jarang dijumpai. Transfusi darah dari golongan yang tidak kompatibel dapat menyebabkan reaksi transfusi imunologis yang berakibat anemia hemolisis, gagal ginjal, syok, dan kematian.

Secara umum, golongan darah O adalah yang paling umum dijumpai di dunia, meskipun di beberapa negara seperti Swedia dan Norwegia, golongan darah A lebih dominan. Antigen A lebih umum dijumpai dibanding antigen B. Karena golongan darah AB memerlukan keberadaan dua antigen, A dan B, golongan darah ini adalah jenis yang paling jarang dijumpai di dunia. Jenis penggolongan darah lain yang cukup dikenal adalah dengan memanfaatkan faktor Rhesus atau faktor Rh. Nama ini diperoleh dari monyet jenis Rhesus yang diketahui memiliki faktor ini pada tahun 1940 oleh Karl Landsteiner. Seseorang yang tidak memiliki faktor Rh di permukaan sel darah merahnya memiliki golongan darah Rh-.

Mereka yang memiliki faktor Rh pada permukaan sel darah merahnya disebut memiliki golongan darah Rh+. Jenis penggolongan ini seringkali digabungkan dengan penggolongan ABO. Golongan darah O+ adalah yang paling umum dijumpai, meskipun pada daerah tertentu golongan A lebih dominan, dan ada pula beberapa daerah dengan 80% populasi dengan golongan darah B. Kecocokan faktor Rhesus amat penting karena ketidakcocokan golongan. Misalnya donor dengan Rh+ sedangkan resipiennya Rh-) dapat menyebabkan produksi antibodi terhadap antigen Rh(D) yang mengakibatkan hemolisis. Hal ini terutama terjadi pada perempuan yang pada atau di bawah usia melahirkan karena faktor Rh dapat memengaruhi janin pada saat kehamilan.


Biografi Biography Biografia Karl LandsteinerKarl Landsteiner, ForMemRS (June 14, 1868 – June 26, 1943), was an Austrian and American biologist and physician. He is noted for having first distinguished the main blood groups in 1900 (however, Jan Janský described and distinguished main blood groups before him), having developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood, and having identified, with Alexander S. Wiener, the Rhesus factor, in 1937, thus enabling physicians to transfuse blood without endangering the patient′s life. With Constantin Levaditi and Erwin Popper, he discovered the polio virus in 1909. He received the Aronson Prize in 1926. In 1930 he received the Nobel Prize in Physiology or Medicine. He was awarded a Lasker Award in 1946 posthumously and is recognized as the father of transfusion medicine.

Landsteiner’s father, Leopold (1818–1875), a renowned Viennese journalist who was editor-in-chief of Die Presse, died at age 56, when Karl was only 6. This led to a close relationship between Landsteiner and his mother Fanny (née Hess; 1837–1908). After graduating with the Matura exam from a Vienna secondary school, he took up the study of medicine at the University of Vienna and wrote his doctoral thesis in 1891. While still a student he published an essay on the influence of diets on the composition of blood. From 1891 to 1893, Landsteiner studied chemistry in Würzburg under Hermann Emil Fischer, in München under Eugen Bamberger and in Zürich under Arthur Rudolf Hantzsch. A number of publications from that period, some of them in co-operation with his professors, show that he did not restrict himself to hearing lectures.

Landsteiner had to endure continual hardships in Europe until he was invited to accept a position at the Rockefeller Institute of Medical Research in the United States in 1922. In 1900 Karl Landsteiner found out that the blood of two people under contact agglutinates, and in 1901 he found that this effect was due to contact of blood with blood serum. As a result, he succeeded in identifying the three blood groups A, B and O, which he labelled C, of human blood. Landsteiner also found out that blood transfusion between persons with the same blood group did not lead to the destruction of blood cells, whereas this occurred between persons of different blood groups. Based on his findings, in 1907 the first successful blood transfusion was performed by Reuben Ottenberg at Mount Sinai Hospital in New York.

Today it is well known that persons with blood group AB can accept donations of the other blood groups, and that persons with blood group O can donate to all other groups. Individuals with blood group AB are referred to as universal recipients and those with blood group O are known as universal donors. These donor-recipient relationships arise due to the fact that persons with AB do not form antibodies against either blood group A or B. Further, because type O blood possesses neither characteristic A nor B, the immune systems of persons with blood group AB do not refuse the donation. In today’s blood transfusions only concentrates of red blood cells without serum are transmitted, which is of great importance in surgical practice. In 1930 Landsteiner was awarded the Nobel Prize in Physiology or Medicine in recognition of these achievements. For his pioneering work, he is recognized as the father of transfusion medicine.