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Albert Einstein was a German-born theoretical physicist, widely acknowledged to be one of the greatest and most influential physicists of all time. Einstein is best known for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. Relativity and quantum mechanics are together the two pillars of modern physics. His mass–energy equivalence formula E = mc2, which arises from relativity theory, has been dubbed "the world's most famous equation". His work is also known for its influence on the philosophy of science. He received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. His intellectual achievements and originality resulted in "Einstein" becoming synonymous with "genius".
Albert Einstein was a German-born theoretical physicist, widely acknowledged to be one of the greatest and most influential physicists of all time. Einstein is best known for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. Relativity and quantum mechanics are together the two pillars of modern physics. His mass–energy equivalence formula E = mc2, which arises from relativity theory, has been dubbed "the world's most famous equation". His work is also known for its influence on the philosophy of science. He received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. His intellectual achievements and originality resulted in "Einstein" becoming synonymous with "genius".
Albert Einstein was a German-born theoretical physicist, widely acknowledged to be one of the greatest and most influential physicists of all time. Einstein is best known for developing the theory of relativity, but he also made important contributions to the development of the theory of quantum mechanics. Relativity and quantum mechanics are together the two pillars of modern physics. His mass–energy equivalence formula E = mc2, which arises from relativity theory, has been dubbed "the world's most famous equation". His work is also known for its influence on the philosophy of science. He received the 1921 Nobel Prize in Physics "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. His intellectual achievements and originality resulted in "Einstein" becoming synonymous with "genius".
Willem Janszoon Blaeu was a Dutch cartographer and map publisher.
Willem studied astronomy and cartography under the Danish astronomer Tycho Brahe and even discovered the variable star P Swan in 1600. A little later Blaeu settled in Amsterdam, where he began making globes and also began producing land and sea maps, including a 1605 world map. In 1629 he managed to acquire the printing plates of the cartographer Jodok Hondius, with which he published his own atlas.
In 1633, Willem Blaeu was appointed cartographer of the Dutch Republic, as well as the official cartographer of the Dutch East India Company. Blau built up a large collection of maps and conducted an extensive publishing business. After Willem's death, his sons Jan Blaeu (1596-1673) and Cornelius Blaeu successfully continued his work. But in 1672, during a fire in Amsterdam, Blaeu's workshop was destroyed, and the company founded by Willem Blaeu ceased to exist in 1698.
Wilhelm Richard Wagner was a German pioneering composer, conductor and opera reformer.
His first proper Symphony in C major was performed at the Leipzig Gewandhaus concerts in 1833. Wagner lived in a colony of poor German artists and made his living in music journalism. Nevertheless, in 1841 he wrote his first representative opera, The Flying Dutchman, based on the legend of a ship captain doomed to sail forever. In 1842 his Rienzi was triumphantly performed in Dresden, after which Wagner was appointed conductor of the court opera and held this position until 1849.
In 1848-49 Wagner became involved in the German Revolution, wrote a number of articles in support of it, and took an active part in the Dresden Uprising of 1849. When the uprising failed, he was forced to flee Germany. His subsequent years were occupied mainly with writing theoretical treatises on philosophy and music. Wagner held anti-Semitic and Nazi views. And reflecting on the future of music, he predicted the disappearance of opera as an artificial entertainment for the elite and the emergence of a new kind of musical stage work for the people, expressing the self-realization of free humanity. This new work was later called "musical drama."
By 1857 his style had been enriched with new interpretations, and Wagner had composed "Rheingold," "Die Walküre," and two acts of "Siegfried." By 1864, however, unwise financial habits had driven him into debt and ruin, and he was forced to flee from prison to Stuttgart. He was rescued by King Louis II, an ardent admirer of Wagner's work. Under his patronage for six years in Munich, the composer's operas were successfully staged. The King also practically ensured him a trouble-free life, thanks to his support Wagner built his own opera house (Bayreuther Festspielhaus), in which many new constructive ideas were realized. The premiere of "The Ring" and "Parsifal" took place here.
As a result of all Wagner's creative innovations and methods, a new kind of art emerged, the distinctive feature of which was a deep and complex symbolism, operating in three inseparable planes - dramatic, verbal and musical. He had a significant influence on European musical culture, especially on the development of opera and symphonic genres.
Richard Wagner's major works include The Flying Dutchman (1843), Tannhäuser (1845), Lohengrin (1850), Tristan und Isolde (1865), Parsifal (1882), and his great tetralogy, The Ring of the Nibelung (1869-76).
Christoph Willibald Gluck was a German classical composer and reformer of the opera genre.
Christoph showed a talent for music early on, playing violin and cello, leaving home and studying music with various teachers in Prague, Vienna and Milan. In 1741, Gluck had his first significant success with his first opera, Artasers, at the Milan theater. In 1745 Gluck, by then already well known as an opera composer, was invited to England, but in 1750 he settled in Vienna, where he lived for the rest of his life. While in Paris in 1773-79, he won the favor of Louis XVI's wife Marie Antoinette.
Christoph Gluck played a historic role in the formation of a new operatic style, becoming the main reformer in the transition from baroque to classical opera.
During his career, Christoph Gluck composed about 40 operas. Of these, his first "reformist" opera was Orpheus and Eurydice, staged in Vienna in 1762. Next were "Alceste" (1767), "Parida et Helena" (1770), "Iphigenia in Aulida" (1774), a French version of "Orpheus" (1774), and "Iphigenia in Tauris" (1779). He also wrote five ballets, of which Don Giovanni (1761) was one of the first successful action ballets.
Gluck spent the last eight years of his life in Vienna, continuing to work tirelessly. During these years he met several times with Wolfgang Mozart, who by then had already become a bright star.
Max Planck, full name Max Karl Ernst Ludwig Planck, is a German theoretical physicist and the founder of quantum theory, which won him the Nobel Prize in Physics in 1918.
Planck made many discoveries in theoretical physics, but his quantum theory revolutionized our understanding of atomic and subatomic processes, just as Albert Einstein's theory of relativity revolutionized our understanding of space and time. Together they represent the fundamental theories of 20th-century physics. They forced humanity to reconsider some philosophical beliefs and began to be applied to industry, including the military, affecting all aspects of modern human life.
Planck was one of the first scientists to realize the importance of Einstein's special theory of relativity, and his influence played a crucial role in its acceptance in Germany. As dean of the University of Berlin, he personally visited Einstein in Zurich in 1913 to persuade him to move to Berlin, which became his base for the next 20 years. Einstein's 1905 work on the photoelectric effect (for which he was awarded the Nobel Prize) is based on Planck's constant (h), the fundamental unit of quantum theory.