* 1882 – The " Elektromote " – forerunner of the trolleybus – is tested by Ernst Werner von Siemens in Berlin.

* 1760 – Seven Years ' War: Battle of Liegnitz – Frederick the Great's victory over the Austrians under Ernst Gideon von Laudon.

* 1885 – Karl Theodor Ernst von Siebold, German physiologist ( b. 1804 )

According to old German literature, dragoons were invented by Count Ernst von Mansfeld, one of the greatest German military commanders, in the early 1620s.

* 1816 – Ernst Werner von Siemens, German engineer, inventor, and industrialist ( d. 1892 )

Through such people as Nikola Tesla, Galileo Ferraris, Oliver Heaviside, Thomas Edison, Ottó Bláthy, Ányos Jedlik, Sir Charles Parsons, Joseph Swan, George Westinghouse, Ernst Werner von Siemens, Alexander Graham Bell and Lord Kelvin, electricity was turned from a scientific curiosity into an essential tool for modern life, becoming a driving force for the Second Industrial Revolution.

His concept of recapitulation has been refuted in the form he gave it ( now called " strong recapitulation "), in favour of the ideas first advanced by Karl Ernst von Baer.

Five years later ( 1937 ), the firm financed the work of Ernst Ruska and Bodo von Borries, and employed Helmut Ruska ( Ernst ’ s brother ) to develop applications for the microscope, especially with biologic specimens.

Ernst Haeckel, along with Karl von Baer and Wilhelm His, are primarily influential in forming the preliminary foundations of ‘ phylogenetic embryology ’ based on principles of evolution.

* The Reception of Karl Ernst von Baer's Law

* Karl Ernst von Baer

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

* 1717 – Ernst Gideon Freiherr von Laudon, Austrian field marshal ( d. 1790 )

* 1804 – Karl Theodor Ernst von Siebold, German physiologist ( d. 1885 )

While this theory, first propounded by Ernst von Dobschütz and Rudolf Bultmann, is not universally accepted, Amos Wilder writes that, " it is at least clear that there are considerable and sometimes continuous elements in the epistle whose style distinguishes them from that of the author both with respect to poetic structure and syntactic usage.

# In the summer of 1934 Hitler instructed the SS to kill Ernst Röhm and other leaders of the Nazi party's SA, former Chancellor Kurt von Schleicher and several aides to former Chancellor Franz von Papen in the so-called Night of the Long Knives ( June 30, 1934 / July 1, 1934 ).

It was Goebbels, besieged in his Berlin flat with Speer and secretary Wilfred von Oven beside him but with his phone lines intact, who brought Otto Ernst Remer, the wavering commander of the Berlin garrison, to the phone to speak to Hitler in East Prussia, thus demonstrating that the Führer was alive and that the garrison should oppose the attempted coup.

* 1790 – Ernst Gideon Freiherr von Laudon, Austrian field marshal ( b. 1717 )

Ribbentrop's first move as Foreign Minister was to sack Mackensen ( who, as Neurath's son-in-law, was totally unacceptable to him ) as State Secretary and replace him with Baron Ernst von Weizsäcker, a former naval officer turned career diplomat who joined the Foreign Office in 1920.

Baron Ernst von Weizsäcker, ( the State Secretary 1938 – 1943 ) opposed the general trend in German foreign policy towards attacking Czechoslovakia: he feared that it might cause a general war that Germany would lose.

Baron Ernst von Weizsäcker, the State Secretary of the Auswärtiges Amt 1938 – 43

Yet at one point during trial, a U. S. Army interpreter asked Baron Ernst von Weizsäcker how Hitler could have made him a high official.

Baron Ernst von Feuchtersleben ( fully Ernst Maria Johann Karl Freiherr von Feuchtersleben ) ( April 29, 1806 – September 3, 1849 ), was an Austrian physician, poet and philosopher.

He was born as a son of Ernst von Feuchtersleben ( 1765-1834 ).

See M. Necker, " Ernst von Feuchtersleben, der Freund Grillparzers ," in the Jahrbuch der Grillparzer Gesellschaft, vol.

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* Baron Ernst von Feuchtersleben

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Since this picture was first developed by Ernst Stueckelberg, and acquired its modern form in Feynman's work, it is called the Feynman-Stueckelberg interpretation of antiparticles to honor both scientists.

The term Animism appears to have been first developed as animismus by German scientist Georg Ernst Stahl, circa 1720, to refer to the " doctrine that animal life is produced by an immaterial soul.

Some early scientists such as Georg Ernst Stahl ( 1659-1734 ) and Francisque Bouillier ( 1813 – 1899 ) had supported a form of animism which life and mind, the directive principle in evolution and growth, holding that all cannot be traced back to chemical and mechanical processes, but that there is a directive force which guides energy without altering its amount.

Edzard Ernst has said that in Austria and Germany complementary and alternative medicine is mainly in the hands of physicians, while some estimates suggest that at least half of American alternative practitioners are physicians.

It is named after Ernst Abbe ( 1840 – 1905 ), the German physicist who defined it.

Math., 1858 ) and Ernst Abbe showed that the properties of these reproductions, i. e. the relative position and magnitude of the images, are not special properties of optical systems, but necessary consequences of the supposition ( in Abbe ) of the reproduction of all points of a space in image points ( Maxwell assumes a less general hypothesis ), and are independent of the manner in which the reproduction is effected.

Another theorist, Ernst Volckheim, was also used by Guderian, and wrote a huge amount on tank and combined arms tactics, and is not acknowledged by Guderian.

The science that tries to reconstruct phylogenetic trees and thus discover clades is called phylogenetics or cladistics, the latter term being derived from " clade " by Ernst Mayr ( 1965 ).

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 ).

is: Ernst Haeckel

Romanes ' 1892 copy of Ernst Haeckel's allegedly fraudulent embryo drawings ( this version of the figure is often attributed incorrectly to Haeckel ).

In Des Teufels General ( The Devil's General ) of 1954, a Luftwaffe general named Harras loosely modeled after Ernst Udet, appears at first to be cynical fool, but turns out to an anti-Nazi who is secretly sabotaging the German war effort by designing faulty planes.

In a ring all of whose ideals are principal ( a principal ideal domain or PID ), this ideal will be identical with the set of multiples of some ring element d ; then this d is a greatest common divisor of a and b. But the ideal ( a, b ) can be useful even when there is no greatest common divisor of a and b. ( Indeed, Ernst Kummer used this ideal as a replacement for a gcd in his treatment of Fermat's Last Theorem, although he envisioned it as the set of multiples of some hypothetical, or ideal, ring element d, whence the ring-theoretic term.

In 1922, the Estonian astronomer Ernst Öpik gave a distance determination which supported the theory that the Andromeda Nebula is indeed a distant extra-galactic object.

For example, in Gottlob Ernst Schulze's Aenesidemus, it is asserted, "… nothing supposed capable of being thought may contain contradictory characteristics.

The Mach number is named after Austrian physicist and philosopher Ernst Mach, a designation proposed by aeronautical engineer Jakob Ackeret.

As Ernst W. Mayr observes, " transspecific evolution is nothing but an extrapolation and magnification of the events that take place within populations and species ... it is misleading to make a distinction between the causes of micro-and macroevolution ”.

* The accountancy market is controlled by PriceWaterhouseCoopers, KPMG, Deloitte Touche Tohmatsu, and Ernst & Young ( commonly known as the Big Four )

Romanes's 1892 copy of Ernst Haeckel's controversial embryo drawings ( this version of the figure is often attributed incorrectly to Haeckel ).

This design is attributed to Gottfried Silbermann or Christian Ernst Friderici on the continent, and Johannes Zumpe or Harman Vietor in England, and it was improved by changes first introduced by Guillaume-Lebrecht Petzold in France and Alpheus Babcock in the United States.