The German physicist, Ernst Florens Chladni, was the first to publish the then audacious idea that that meteorites were actually rocks from space.

Ernst Florens Friedrich Chladni

Ernst Florens Friedrich Chladni (; 1756 – 1827 )

* April 3 – Ernst Chladni, physicist and musician, " Father of acoustics " ( b. 1756 )

This new type of meteorite was called Pallasite after him, whereas the meteorite itself is named Krasnojarsk or sometimes also called Pallas Iron ( the name given to it by Ernst Chladni in 1794 ).

In 1787, Ernst Chladni repeated the work of Robert Hooke and published " Entdeckungen über die Theorie des Klanges " (" Discoveries in the Theory of Sound ").

Inspired by systems theory and the work of Ernst Chladni, Jenny began an investigation of periodic phenomena but especially the visual display of sound.

* Ernst Chladni publishes Entdeckungen über die Theorie des Klanges, demonstrating modes of vibration.

* Ernst Chladni

The crater is named for German physicist and musician Ernst Chladni who, in 1794, wrote the first book on meteorites.

# REDIRECT Ernst Chladni

Chladni's law, named after Ernst Chladni, relates the frequency of modes of vibration for flat circular surfaces with fixed center as a function of the numbers m of diametric ( linear ) nodes and n of radial ( circular ) nodes.

# REDIRECT Ernst Chladni

# redirect Ernst Chladni

# REDIRECT Ernst Chladni

# REDIRECT Ernst Chladni

# redirect Ernst Chladni

* Ernst Rüdin publishes his initial results on the genetics of schizophrenia.

* Georg Ernst Stahl publishes Theoria medica vera: physiologiam & pathologiam.

He obtained his doctorate in 1919 with the thesis Über beschränkte Funktionen die in gegebenen Punkten vorgeschriebene Werte annehmen ; his thesis advisor was Ernst Lindelöf.

In 1873, Frege attained his doctorate under Ernst Schering, with a dissertation under the title of " Über eine geometrische Darstellung der imaginären Gebilde in der Ebene " (" On a Geometrical Representation of Imaginary Forms in a Plane "), in which he aimed to solve such fundamental problems in geometry as the mathematical interpretation of projective geometry's infinitely distant ( imaginary ) points.

*“ Ernst Possart, Über die Neueinstudierung und Neuinscenierung des Mozart ' schen Don Giovanni ( Don Juan ) auf dem kgl.

* Karl Ernst von Baer lays the foundations of the science of comparative embryology with his book Über Entwickelungsgeschichte der Thiere.

* Ernst Gehrcke and Rudolf Seeliger Über das Leuchten der Gase unter dem Einfluss von Kathodenstrahlen, Verh.

Über das Leben und Werk von Ernst Ahl = About the Life and Work of Ernst Ahl.

The first version to be published by Monumenta Germaniae Historica ( MGH ) was the edition by Ernst Dümmler ( 1892 ); the most authoritative version until today is Michael Tangl's 1912 Die Briefe des Heiligen Bonifatius, Nach der Ausgabe in den Monumenta Germaniae Historica, published by MGH in 1916.

* Ernst Krenek: Toccata und Chaconne: über den Choral " Ja ich glaub an Jesum Christum ", op.

Das Buch der hängenden Gärten by Arnold Schoenberg and Ernst Krenek's Reisebuch aus den österreichischen Alpen are important 20th century examples, and the tradition is carried on by Wolfgang Rihm, with so far a dozen works.

Ulbrich turned to Ernst Lipp, a fellow singer in the Bach Choir and president of the Kommission für den Unterricht in der Biblischen Geschichte (" Commission for the Teaching of Biblical History ", KUBG ), and suggested that he found a singing school for the preservation of choral tradition that was in the service of the church, but independent of the YMCA.

Friedrich Daniel Ernst Schleiermacher, for instance, produced Der christliche Glaube nach den Grundsätzen der evangelischen Kirche ( The Christian Faith According to the Principles of the Protestant Church ) in the 1820s, in which the core idea is the universal presence amongst humanity ( sometimes more hidden, sometimes more explicit ) of a feeling or awareness of ' absolute dependence '; all theological themes are reinterpreted as descriptions or expressions of modifications of this feeling.

* J. Klima: Ernst Gottlieb Baron, 1696 – 1760: Partiten aus den verschollenen Handschriften Berlin Mus.

Martin Heidegger, Ernst Jünger, Oswald Spengler, Ernst Niekisch, and Arthur Moeller van den Bruck

See C Ernst Simonetti, Der Character eines Geschichtsschreibers in dem Leben und aus den Schriften des Abbé C. Fleury ( Göttingen 1746, 4to ); CFP Jaeger, Notice sur C. Fleury, considéré comme historien de l ' eglise ( Strassburg, 1847, 8vo ); Reichlin-Meldegg, Geschichte des Christentums, I.

* Gehrcke, Ernst Zur Diskussion über den Äther, Zeitschrift der Physik Volume 2, 67 – 68 ( 1920 )

* < i > Der Aufruhr um den Junker Ernst </ i > ( Novella, 1926 )

Later that year, Benjamin and Ernst Bloch resided in the Italian island of Capri ; Benjamin wrote Ursprung des deutschen Trauerspiel ( The Origin of German Tragic Drama ), as an habilitation dissertation meant to qualify him as a tenured university professor in Germany.

In a letter dated May 24, 1891, Frege thanked Husserl for sending him a copy of the Philosophy of Arithmetic and Husserl's review of Ernst Schröder's Vorlesungen über die Algebra der Logik.

The term " ecology " () is of a more recent origin and was first coined by the German biologist Ernst Haeckel in his book Generelle Morphologie der Organismen ( 1866 ).

Sea anemones from Ernst Haeckel's Kunstformen der Natur ( Art forms of Nature ) of 1904.

" Flagellata " from Ernst Haeckel's Kunstformen der Natur | Artforms of Nature, 1904

* Ernst von Körner: König Albert von Sachsen: der Soldat und Feldherr.

Image: Haeckel Actiniae. jpg | Sea anemones from Ernst Haeckel's Kunstformen der Natur ( Artforms of Nature ), 1904.

Mycetozoa from Ernst Haeckel's 1904 Kunstformen der Natur ( Artforms of Nature )

" Chelonia " from Ernst Haeckel's Kunstformen der Natur, 1904.

Copepods, from Ernst Haeckel's 1904 work Artforms of Nature | Kunstformen der Natur

Decapods, from Ernst Haeckel's 1904 work Artforms of Nature | Kunstformen der Natur

Selections from Ernst Haeckel's 1904 Kunstformen der Natur ( Art Forms of Nature ), showing pennate ( left ) and centric ( right ) frustules.

The 53rd plate from Ernst Haeckel's Kunstformen der Natur ( 1904 ), depicting organisms classified as Prosobranchia

A variety of ammonite forms, from Ernst Haeckel's 1904 Kunstformen der Natur ( Art Forms of Nature ).

A color plate illustration from Ernst Haeckel's Kunstformen der Natur ( 1899 ), showing a variety of hummingbirds.

Dutch economist Ernst van der Beugel became permanent secretary in 1960, upon Retinger's death.

Ernst Casimir was ordered to seize the Leffinghen bridge, he commanded the Edmonds regiment ( Scottish ) and the Van der Noot regiment ( Dutch ) together with four cornets of cavalry and 2 guns, but when he arrived he found that the enemy was already in possession of it.

After the death of August Pauly, the editor of the well-known Realencyclopädie der classischen Altertumswissenschaft, Teuffel, at first assisted by Ernst Christian Walz, undertook the completion of the work, to which he also contributed numerous articles.

From 1890 to 1905, Ernst Schröder published Vorlesungen über die Algebra der Logik in three volumes.

" Lichenes " from Ernst Haeckel's Kunstformen der Natur | Artforms of Nature, 1904

See also Scherz und Ernst in der Jurisprudenz ( 1885 ); Des Schuldmoment im römischen Privat-recht ( 1867 ); Das Trinkgeld ( 1882 ); and among the papers he left behind him his Vorgeschichte der Indoeuropaer, a fragment, has been published by v. Ehrenberg ( 1894 ).

* Scherz und Ernst in der Jurisprudenz ( 1884 )