In The Grammar of Science, Preface to the 2nd Edition, 1900, Karl Pearson wrote, " There are many signs that a sound idealism is surely replacing, as a basis for natural philosophy, the crude materialism of the older physicists.

* 1900 – Karl Ristenpart, German conductor ( d. 1967 )

* July 17 – Karl Wolff, German Nazi SS Officer ( b. 1900 )

* December 24 – Karl Ristenpart, German conductor ( b. 1900 )

His other notable university teachers were Christian Philipp Karl Snell ( 1806 – 1886 ) ( subjects: use of infinitesimal analysis in geometry analytical geometry of planes, analytical mechanics, optics, physical foundations of mechanics ); Hermann Karl Julius Traugott Schaeffer ( 1824 – 1900 ) ( analytical geometry, applied physics, algebraic analysis, on the telegraph and other electronic machines ); and the famous philosopher Kuno Fischer ( 1824 – 1907 ) ( Kantian and critical philosophy ).

* Karl Haas ( 1900 – 1970 )

Then Walter returned in 1900 to Berlin, where he assumed the post of Royal Prussian Conductor at the Staatsoper Unter den Linden, succeeding Franz Schalk ; his colleagues there included Richard Strauss and Karl Muck.

By 1900, Schenker was actively trying to promote his musical compositions as evidenced by correspondence with Ignaz Brüll, Karl Goldmark, Eugen d ' Albert and Ferruccio Busoni.

Its properties were first investigated by Karl Pearson in 1900.

Bernhard Heinrich Karl Martin von Bülow ( May 3, 1849 – October 28, 1929 ), named in 1905 Prince ( Fürst ) von Bülow, was a German statesman who served as Secretary of State for Foreign Affairs for three years and then as Chancellor of the German Empire from 1900 to 1909.

In 1900, Karl Brugmann derived the Common Slavic * županъ from župa " district, small administrative region ", an etymology that was accepted by many linguists.

* Materialismo storico ed economia marxistica ( 1900 ).# English edition: Historical Materialism and the Economics of Karl Marx.

Karl Friedrich Otto Wolff ( 13 May 1900 – 17 July 1984 ) was a high-ranking member of the Nazi Schutzstaffel ( SS ), ultimately holding the rank of SS-Obergruppenführer and General of the Waffen-SS.

* Zittel, Karl Alfred von ( 1900 ) Textbook on Paleontology volume 1

* KAUFMANN, Karl ( 1900 – 1969 ) Nazi Gauleiter.

* WOLFF, Karl Friedrich Otto ( 1900 – 84 ) Waffen-SS General.

* Karl Doppler ( 1825 – 1900 ), composer, flute player, brother of Franz Doppler, father of Árpád Doppler

* Paul Karl Ludwig Drude ( 1900 – 1906 ) ( as Annalen der Physik )

In response to astronomical observations of low intensity reciprocity failure, Karl Schwarzschild wrote ( circa 1900 ):

Karl Ernst Krafft ( 10 May 1900 – 8 January 1945 ) was a Swiss astrologer, born in Basel.

( 1805 – 19 ), Johan Olof Wallin ( 1837 – 39 ; beloved poet and hymnist ), Karl Fredrik af Wingård ( 1839 – 51 ; politician ), Henrik Reuterdahl ( 1856 – 70 ) Anton Niklas Sundberg ( 1870 – 1900 ; outspoken and controversial ) and Nathan Söderblom ( 1914 – 1931 ; Nobel Prize winner ).

** Karl Glasisch ( 1900 – 1982 ), son of Marie-Goot.

Karl Ristenpart ( January 26, 1900 – December 24, 1967 ) was a German conductor.

This reconstruction was done from 1897 to 1900 by Karl Schäfer at the enormous cost of lo, l, lo,

The ABO blood group system is widely credited to have been discovered by the Austrian scientist Karl Landsteiner, who found three different blood types in 1900 ; he was awarded the Nobel Prize in Physiology or Medicine in 1930 for his work.

The ABO blood group system is widely credited to have been founded by the Austrian scientist Karl Landsteiner, who discovered three different blood types in 1900.

At Heidelberg they did the first joint work on animal and human blood groups which, in 1900, had been identified as isoagglutinins by Karl Landsteiner.

Alchemists and chemists subsequently identified many more, with nearly all of the naturally-occurring elements known by 1900.

The philosopher Friedrich Nietzsche ( 1844 – 1900 ) identified the philistine as a person who, for a lack of true unity, could only define style in the negative.

Later, in his seven-volume History of the United States from the Compromise of 1850 to the Civil War, ( 1893 – 1900 ), James Ford Rhodes identified slavery as the central — and virtually only — cause of the Civil War.

Alan Gardiner noted that at one point, a monument had been identified by Georges Daressy in 1900 which was dated to Thutmose's 18th year, although its precise location has not been identified.

The π ( 1800 ) ( 0 < sup >−+</ sup >), ρ ( 1900 ) ( 1 < sup >−−</ sup >) and the η < sub > 2 </ sub >( 1870 ) ( 2 < sup >−+</ sup >) are fairly well identified states, which have been tentatively identified as hybrids by some authors.

Ceded land was identified as such in the constitution of the Republic of Hawaii, Hawaiian Organic Act of 1900 and the Hawaii Statehood Admission Act of 1959.

In a series of reports between 1898 and 1900, Ermanno Sangiorgi, the police chief of Palermo, identified 670 mafiosi belonging to eight Mafia clans that went through alternating phases of cooperation and conflict.

Twenty years later, in the first volume of Devon Notes and Queries ( 1900 – 01 ), W. H. Thornton, who identified himself as the rector of North Bovey, asked:

* 83. 7a: The petitioner has been identified as an American Indian entity on a substantially continuous basis since 1900.

Seven Hills encompassed a much larger area than now and as late as 1900, landowners as far afield as the modern suburbs of Bella Vista, Glenwood, and Parklea identified their properties as being located in Seven Hills.

The park is well identified with its conservatory, erected in 1900 and now also a Grade II listed building.

Since the year 1900 a grant of about £ 4, 000 had been made annually by the Department of Agriculture to the Irish Agricultural Organisation Society but the new vice-president, T. W. Russell, who had been himself previously a member of the Unionist administration, withdrew in 1907 this modest support of an association with which Plunkett was so closely identified, and of which he continued to be the guiding spirit.

As such, the Nipmuc Nation does not meet the Federal criterion which requires that it has been identified as an American Indian entity on a substantially continuous basis since 1900.

Their interest remains chiefly biographical, for they throw some light on the utter despair which overtook Thompson in the spring and early summer of 1900.

If, as Reid says, `` nearly all his poetry was produced when he was not taking opium '', there may be some reason to doubt that he was under its influence in the period from 1896 to 1900 when he was writing the poems to Katie King and making plans for another book of verse.

It is undisputed that, by 1900, Cantor was aware of some of the paradoxes and did not believe that they discredited his theory.

By 1900, most of the industrializing nations were on some form of gold standard, with paper notes and silver coins constituting the circulating medium.

While it was able to establish itself on some islands, such as Barbados, Jamaica, and Puerto Rico, other introductions, such as in Cuba before 1900 and in 1946, and on the islands of Dominica and Grand Cayman, were unsuccessful.

The years from approximately 1900 to the late 1940s saw very little in the way of crannog excavation in Scotland, while Ireland did witness some important and highly influential contributions.

However, there are some problems with Bacardi's account, as the Spanish-American war was fought in 1898, Cuba's liberation was in 1898, and the Rough Riders left Cuba in September 1898, but Coca-Cola was not available in Cuba until 1900.

The Honduras-El Salvador Border Protocol ratified by Honduras in May 1999 established a framework for a long-delayed border demarcation, which is currently underway ; with respect to the maritime boundary in the Golfo de Fonseca, the ICJ referred to the line determined by the 1900 Honduras-Nicaragua Mixed Boundary Commission and advised that some tripartite resolution among El Salvador, Honduras and Nicaragua likely would be required.

Shortly after the depletion of the gas in 1900 the automobile industry set up factories in the nearby large cities, and Fairmount became a bedroom community, restoring some of its lost prosperity.

In 1900, American businessman Samuel Zemurray and United Fruit came to Honduras to purchase some banana plantations.

There were, however, also moves towards reunion, beginning with the unification of some secessionist churches into the United Secession Church in 1820, which united with the Relief Church in 1847 to form the United Presbyterian Church, which in turn joined with the Free Church in 1900 to form the United Free Church of Scotland.

During the British Raj, famines in India, often attributed to failed government policies, were some of the worst ever recorded, including the Great Famine of 1876 – 78 in which 6. 1 million to 10. 3 million people died and the Indian famine of 1899 – 1900 in which 1. 25 to 10 million people died.

Between 1900 and 1920, there were a number of Norwegian trappers spending winters on Jan Mayen, hunting white and blue foxes in addition to some polar bears.

That resulted in the formulation of the so called Lorentz transformation by Joseph Larmor ( 1897, 1900 ) and Lorentz ( 1899, 1904 ), whereby it was noted by Larmor that the complete formulation of local time is accompanied by some sort of time dilation of moving electrons in the aether.

Territorial disputes with Colombia over the Archipelago de San Andres y Providencia and Quita Sueno Bank ; with respect to the maritime boundary question in the Golfo de Fonseca, the ICJ referred to the line determined by the 1900 Honduras-Nicaragua Mixed Boundary Commission and advised that some tripartite resolution among El Salvador, Honduras, and Nicaragua likely would be required ; maritime boundary dispute with Honduras in the Caribbean Sea ; Nicaragua is sovereign over the Rio San Juan, and by treaty Costa Rica has the right to navigate over part of the river with ' objects of commerce '.

The first, Album des vers anciens ( Album of ancient verses ), was a revision of early but beautifully wrought smaller poems, some of which had been published individually before 1900.

What some call his Modernist period ( 1899 – 1900 ) followed.

In some parts of Germany, Roman law continued to be applied until the German civil code ( Bürgerliches Gesetzbuch, BGB ) came into force in 1900.

Eisenstein married filmmaker and writer Vera Atasheva ( 1900 – 65 ) in 1934 and remained married until his death in 1948, though there is some speculation about his sexuality.

While UMTS2100 is the most widely deployed UMTS band, some countries ' UMTS operators use the 850 MHz and / or 1900 MHz bands ( independently, meaning uplink and downlink are within the same band ), notably in the US by AT & T Mobility, New Zealand by Telecom New Zealand on the XT Mobile Network and in Australia by Telstra on the Next G network.

Cingular renamed itself AT & T and is rolling out some cities with a UMTS network at 850 MHz to enhance its existing UMTS network at 1900 MHz and now offers subscribers a number of dual-band UMTS 850 / 1900 phones.

The first official ball used in volleyball is disputed ; some sources say that Spalding created the first official ball in 1896, while others claim it was created in 1900.

This is supposed by some to have happened at the latest in 1900 BCE

There is also speculation about the relationship the song bears to " The Bold Fusilier " ( a. k. a. " Marching through Rochester "), a song sung to the same tune and dated by some back to the 18th century but first printed in 1900.