This instrument could not have been developed without the improvement of piston valves by Heinrich Stölzel and Friedrich Blühmel.

Contemporaneously to English Gothic, parallel Romantic literary movements developed in continental Europe: the roman noir (" black novel ") in France, by such writers as François Guillaume Ducray-Duminil, Gaston Leroux, Baculard d ' Arnaud, and Stéphanie Félicité Ducrest de St-Albin, Madame de Genlis and the Schauerroman (" shudder novel ") in Germany by such writers as Friedrich Schiller, author of The Ghost-Seer ( 1789 ) and Christian Heinrich Spiess, author of Das Petermännchen ( 1791 / 92 ).

* 1743 – Friedrich Heinrich Jacobi, German philosopher ( d. 1819 )

Though the term nihilism was first popularized by the novelist Ivan Turgenev ( 1818 – 1883 ) in his novel Fathers and Sons, </ i > it was first introduced into philosophical discourse by Friedrich Heinrich Jacobi ( 1743 – 1819 ).

* Jacobi, Friedrich Heinrich, Jacobi an Fichte ( 1799 / 1816 ), German Text ( 1799 / 1816 ), Appendix with Jacobi's and Fichte's complementary Texts, critical Apparatus, Commentary, and Italian Translation, Istituto Italiano per gli Studi Filosofici, Naples 2011, ISBN 978-88-905957-5-2.

* Giovanni, George di ( 2008 ), " Friedrich Heinrich Jacobi ", The Stanford Encyclopedia of Philosophy, Edward N. Zalta ( ed .).

The Saharan family was recognized by Heinrich Barth in 1853, the Nilotic languages by Karl Richard Lepsius in 1880, the various constituent branches of Central Saharan ( but not the connection between them ) by Friedrich Müller in 1889, and the Maban family by Maurice Gaudefroy-Demombynes in 1907.

The invention of the piston and rotary valve by Heinrich Stölzel and Friedrich Blühmel, both Silesians, in 1815, was the first in a series of innovations, including the development of modern keywork for the flute by Theobald Boehm and the innovations of Adolphe Sax in the woodwinds.

Many of the properties in the neighbourhood were the work of architect Georg Friedrich Heinrich Hitzig ( 1811 – 81 ), a pupil of Schinkel who also built the original " English Embassy " in Leipziger Platz, where the vast Wertheim department store would later stand, although Friedrichvorstadt's focal point and most notable building was the work of another architect — and another pupil of Schinkel.

Friedrich Heinrich Jacobi ( 1743 – 1819 ), characterized rationalism, and in particular Immanuel Kant's " critical " philosophy in order to carry out a reductio ad absurdum according to which all rationalism ( philosophy as criticism ) reduces to nihilism, and thus it should be avoided and replaced with a return to some type of faith and revelation.

Although the impetus for a tubular valve began as early as 1793, it was not until 1818 that Friedrich Bluhmel and Heinrich Stölzel made a joint patent application for the box valve as manufactured by W. Schuster.

The theorem is due to Heinrich Franz Friedrich Tietze.

A force of 30, 000 under Friedrich Heinrich von Seckendorff crossed the Rhine and began pushing the French back toward Trier, defeating them at Clausen in October 1735, in one of the last battles before preliminary peace terms were reached.

* January 25 – Friedrich Heinrich Jacobi, German philosopher ( d. 1819 )

* March 10 – Friedrich Heinrich Jacobi, German philosopher ( b. 1743 )

* Friedrich Heinrich Jacobi publishes Letters on the Teachings of Spinoza, and starts the Pantheism controversy.

The Belgian premiere of the opera was given at La Monnaie on 22 March 1870 with Étienne Troy as Friedrich of Telramund and Feliciano Pons as Heinrich der Vogler.

La Scala produced the opera for the first time on 30 March 1873, with Campanini as Lohengrin, Gabrielle Krauss as Elsa, Philippine von Edelsberg as Ortrud, Victor Maurel as Friedrich, and Gian Pietro Milesi as Heinrich.

conducted the performance, which featured Ernesto Nicolini as Lohengrin, Emma Albani as Elsa, Anna D ' Angeri as Ortruda, Maurel as Friedrich, and Wladyslaw Seideman as Heinrich.

A rebel force of 2, 000 men, primarily composed of New Hampshire and Massachusetts militiamen, led by General John Stark, and reinforced by men led by Colonel Seth Warner and members of the Green Mountain Boys, decisively defeated a detachment of General John Burgoyne's army led by Lieutenant Colonel Friedrich Baum, and supported by additional men under Lieutenant Colonel Heinrich von Breymann.

* Johann Heinrich Friedrich Link ( 1767-1850 ), German naturalist and botanist

Old friends like Georg Friedrich Herwegh, who had worked with Marx on the Rheinsche Zeitung, Heinrich Heine, the famous poet, a young doctor by the name of Roland Daniels, Heinrich Bürgers and August Herman Ewerbeck all maintained their contacts with Marx and Engels in Brussels.

Some of the main philosophers who have dealt with this issue are Marcus Aurelius, Omar Khayyám, Thomas Hobbes, Baruch Spinoza, Gottfried Leibniz, David Hume, Baron d ' Holbach ( Paul Heinrich Dietrich ), Pierre-Simon Laplace, Arthur Schopenhauer, William James, Friedrich Nietzsche, Albert Einstein, Niels Bohr, Ralph Waldo Emerson and, more recently, John Searle, Ted Honderich, and Daniel Dennett.

Heinrich Engelhard Steinweg first made pianos in 1835 from his house in Seesen, Germany, including one designed by and produced for Georg Friedrich Karl Grotrian, a piano dealer.

* 1741 – Karl Friedrich Bahrdt, German theologian ( d. 1792 )

Cadmium ( Latin cadmia, Greek καδμεία meaning " calamine ", a cadmium-bearing mixture of minerals, which was named after the Greek mythological character, Κάδμος Cadmus, the founder of Thebes ) was discovered simultaneously in 1817 by Friedrich Stromeyer and Karl Samuel Leberecht Hermann, both in Germany, as an impurity in zinc carbonate.

jv: Karl Friedrich Gauss

scn: Karl Friedrich Gauss

sh: Karl Friedrich Gauss

* Friedrich Karl von Savigny

* 1918 – Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.

Philosophically, dialectical materialism — that Man originates History through active consciousness — was originated by Moses Hess, and developed by Karl Marx and Friedrich Engels.

Then he moved to the Humboldt University of Berlin ( then called the Friedrich William University ) in 1878 where he continued his study of mathematics under Leopold Kronecker and the renowned Karl Weierstrass.

* 1848 – Karl Marx and Friedrich Engels publish The Communist Manifesto.

Gathering on Sanssouci in the Marble Hall, with Voltaire, Casanova, d ' Argens, La Mettrie, James Francis Edward Keith | James Keith, George Keith, 10th Earl Marischal | George Keith, Friedrich Rudolf von Rothenburg, Christoph Ludwig von Stille, Karl Ludwig von Pöllnitz and Algarotti.

There, he received a liberal education at the Lyceum, and Karl J. Windischmann drew his attention to the languages and literature of the East ( Windischmann, along with Georg Friedrich Creuzer, Johann Joseph von Görres, and the brothers Schlegel, expressed great enthusiasm for Indian wisdom and philosophy ).

He was accused of atheism in 1798 after publishing his essay “ Ueber den Grund unsers Glaubens an eine göttliche Weltregierung ” ( On the Ground of Our Belief in a Divine World-Governance ), which he had written in response to Friedrich Karl Forberg's essay “ Development of the Concept of Religion ,” in his Philosophical Journal.

However, their efforts were unable to stop the spread of revolutionary movements: the middle classes had been deeply influenced by the ideals of the French revolution, the Industrial Revolution brought important economical and social changes, the lower classes started to be influenced by socialist, communist and anarchistic ideas ( especially those summarised by Karl Marx and Friedrich Engels in The Communist Manifesto ), and the preference of the new capitalists became Liberalism.

Karl Friedrich ruled Baden 1738 – 1811 Baden sported perhaps the best government of the smaller states.

Karl Friedrich ruled well for 73 years ( 1738 – 1811 ) and was an enthusiast for The Enlightenment ; he abolished serfdom in 1783.

Philosophers who have criticized the concept of human rights include Jeremy Bentham, Edmund Burke, Friedrich Nietzsche and Karl Marx.

* 1854 – Karl Friedrich Eichhorn, German jurist ( b. 1781 )

The first definite impulse came from the lectures of Friedrich Karl von Savigny, the celebrated investigator of Roman law, who, as Wilhelm Grimm himself says in the preface to the Deutsche Grammatik ( German Grammar ), first taught him to realize what it meant to study any science.

Karl Marx and Friedrich Engels monument in Marx-Engels-Forum, Berlin-Mitte

ca: Karl Friedrich Abel

da: Karl Friedrich Abel

et: Karl Friedrich Abel

es: Karl Friedrich Abel

fr: Karl Friedrich Abel