* 1796 – Adolphe Quetelet, Belgian mathematician ( d. 1874 )

In the nineteenth century authors on the general theory included Laplace, Sylvestre Lacroix ( 1816 ), Littrow ( 1833 ), Adolphe Quetelet ( 1853 ), Richard Dedekind ( 1860 ), Helmert ( 1872 ), Hermann Laurent ( 1873 ), Liagre, Didion, and Karl Pearson.

* February 22 – Lambert Adolphe Jacques Quetelet, Belgian mathematician ( d. 1874 )

Comte had earlier used the term " social physics ", but that term had been appropriated by others, notably Adolphe Quetelet.

# REDIRECT Adolphe Quetelet

Lambert Adolphe Jacques Quetelet (; 22 February 1796 – 17 February 1874 ) was a Belgian astronomer, mathematician, statistician and sociologist.

Adolphe was born in Ghent ( which at that time was a part of the newborn French Republic ), the son of François-Augustin-Jacques-Henri Quetelet, a Frenchman and Anne Françoise Vandervelde, a Belgian.

" The observatory, the land-based ship and the crusades: earth sciences in european context, 1830 – 1850 ", British Journal for History of Science, 40 ( 4 ), 2007, pp. 491 – 504 ( On the leading role of Adolphe Quetelet in the fields of meteorology and geomagnetism in early nineteenth-century ).

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The roles of Adolphe Quetelet and Auguste Comte in developing the idea of studying behavior with scientific methods.

* Adolphe Quetelet publishes Sur l ' homme et le développement de ses facultés, ou Essai de physique sociale ( translated as Treatise on Man ), outlining his theory of " social physics " and describing his concept of the " average man " ( l ' homme moyen ) who is characterized by the mean values of measured variables that follow a normal distribution.

# REDIRECT Adolphe Quetelet

Historiometry started in the early 19th century with studies on the relationship between age and achievement by Belgian mathematician Adolphe Quetelet in the careers of prominent French and English playwrights but it was Sir Francis Galton, a pioneering English eugenist who popularized historiometry in his 1869 work, Hereditary Genius.

Polymath Adolphe Quetelet developed in the 19th century what he called " social physics ".

* Adolphe Quetelet, director of the Royal Observatory of Belgium and general secretary of the Academie royale des sciences, des lettres et des beaux-arts with Victor Lahure, navy captain and general director of the Navy, represented Belgium.

The duet from La Muette, Amour sacré de la patrie ( meaning " Sacred Love of the Homeland "), was welcomed as a new Marseillaise ; its performance at Brussels on 25 August 1830, in which Adolphe Nourrit sang the leading tenor role, engendered a riot that became the signal for the Belgian Revolution that drove out the Dutch.

It was the first type of saxophone presented to the public, when Adolphe Sax presented a bass saxophone in C at an exhibition in Brussels in 1841.

He was the second son of Claude Adolphe Monet and Louise Justine Aubrée Monet, both of them second-generation Parisians.

Cecilia Beaux was born in Philadelphia, Pennsylvania, the youngest daughter of French silk manufacturer Jean Adolphe Beaux and teacher Cecilia Kent Leavitt, daughter of prominent businessman John Wheeler Leavitt of New York City and his wife Cecilia Kent of Suffield, Connecticut.

Basing his ideas on those of predecessors such as Williamson, Edward Frankland, William Odling, Auguste Laurent, Charles Adolphe Wurtz and others, Kekulé was the principal formulator of the theory of chemical structure ( 1857 – 58 ).

Just as work began at the Champ de Mars, the " Committee of Three Hundred " ( one member for each metre of the tower's height ) was formed, led by Charles Garnier and including some of the most important figures of the French arts establishment, including Adolphe Bouguereau, Guy de Maupassant, Charles Gounod and Jules Massenet: a petition was sent to Charles Alphand, the Minister of Works, and was published by Le Temps.

Working behind the scenes on behalf of the bourgeois propertied interests was Louis Adolphe Thiers.

) On 16 February 1871 Adolphe Thiers was elected to be the chief executive of the new Republic.

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.

The saxophone was invented by the Belgian instrument maker Adolphe Sax in 1846.

The saxophone was developed in 1846 by Adolphe Sax, a Belgian-born instrument maker, flautist, and clarinetist working in Paris.

The subject of the projected work was a matter of discussion between composer, librettists and the Opéra-Comique management ; Adolphe de Leuven, on behalf of the theatre, made several suggestions that were politely rejected.

This production was heavily influenced by the ideas of the Swiss stage designer, Adolphe Appia.

The painter L. S. Lowry attended the art school in the years after the First World War where he was taught by the noted impressionist Adolphe Valette.

Yet this did not end the war, as the Third Republic was declared in Paris on 4 September 1870, and French resistance continued under the Government of National Defence and later Adolphe Thiers.

* Adolphe Monticelli ( 1824 – 1886 ) was born in Marseille, moved to Paris in 1846 and returned to Marseille in 1870.

) It was in part through the enthusiasm that they excited, coupled with the Impressionists ’ taste for popular entertainment, like the circus and the music-hall, as well as the new bohemianism that then reigned in artistic quarters like Montmartre ( and which was celebrated by such denizens as Adolphe Willette, whose cartoons and canvases are crowded with Pierrots )— it was through all this that Pierrot achieved almost unprecedented currency and visibility towards the end of the century.

Adolphe Paul Oppé published an influential article in 1904, which made three crucial claims: No chasm or vapor ever existed ; no natural gas could create prophetic visions ; and the recorded incidents of a priestess undergoing violent and often deadly reactions was inconsistent with the more customary reports.

Bicycle manufacturer Adolphe Clément-Bayard was the front passenger.

When the official government newspaper, Le Moniteur Universel, published the ordinances on Monday, 26 July, Adolphe Thiers, journalist at the opposition paper Le National, published a call to revolt, which was signed by forty-three journalists:

He was supported by other wealthy anti-Dreyfusards such as Adolphe Clément and Édouard Michelin.

The boy was brought up to believe that he was Adolphe Bizet's child ; only on her deathbed in 1913 did Reiter reveal her son's true paternity.