He entered the Kriegsakademie ( also cited as " The German War School ," the " Military Academy in Berlin ," and the " Prussian Military Academy ") in Berlin in 1801 ( age 21 ), studied the writings of the philosopher Immanuel Kant, and won the regard of General Gerhard von Scharnhorst, the future first chief of staff of the new Prussian Army ( appointed 1809 ).

* 1801 – Christian Dietrich Grabbe, German writer ( d. 1836 )

In 1801, the German physicist Johann Wilhelm Ritter made the discovery of ultraviolet by noting that the rays from a prism darkened silver chloride preparations more quickly than violet light.

* 1801 – Julius Plücker, German mathematician and physicist ( d. 1868 )

As British public opinion was turned against Germany, Admiral Sir John Fisher twice – in 1904 and 1908 – proposed using Britain ’ s current naval superiority to ' Copenhagen ' the German fleet, that is, to launch preemptive strikes against the Kiel and Wilhelmshaven naval bases as the Royal Navy had done against the Danish navy in 1801 and 1807.

* 1772 – Novalis, German writer ( d. 1801 )

* 1745 – Carl Stamitz, German composer ( d. 1801 )

* 1868 – Julius Plücker, German mathematician and physicist ( b. 1801 )

* 1801 – Ludwig Bechstein, German poet ( d. 1860 )

* 1801 – Karl Baedeker, German author and publisher ( d. 1859 )

* 1801 – Albert Lortzing, German composer ( d. 1851 )

Part of this research benefited from the knowledge already expounded on in a book ( printed in German in 1794, in Czech in 1801 ), written by František Ondřej Poupě ( Ger: Franz Andreas Paupie ) ( 1753 – 1805 ) from Brno.

In 1801, the German physicist Johann Wilhelm Ritter made the discovery of ultraviolet by noting that the rays from a prism darkened silver chloride preparations more quickly than violet light.

In 1801, the German physicist Johann Wilhelm Ritter made the hallmark observation that invisible rays just beyond the violet end of the visible spectrum darkened silver chloride-soaked paper more quickly than violet light itself.

* October 4 – Karl Baedeker, German author and publisher ( b. 1801 )

* March 10 – Moritz von Jacobi, German engineer and physicist ( b. 1801 )

* September 12 – Christian Dietrich Grabbe, German playwright ( b. 1801 )

* May 2 – Novalis, German poet ( d. 1801 )

* December 15 – Johann Gottfried Koehler, German astronomer ( d. 1801 )

Ignacy Krasicki ( 3 February 173514 March 1801 ), from 1766 Prince-Bishop of Warmia ( in German, Ermland ) and from 1795 Archbishop of Gniezno ( thus, Primate of Poland ), was Poland's leading Enlightenment poet (" the Prince of Poets "), a critic of the clergy, Poland's La Fontaine, author of the first Polish novel, playwright, journalist, encyclopedist, and translator from French and Greek.

Julius Plücker ( 16 June 1801 – 22 May 1868 ) was a German mathematician and physicist.

Friedrich Clemens Gerke (* 22 January 1801 Osnabrück was a German writer, journalist, musician and pioneer of telegraphy who revised the Morse code in 1848.

* Johann Christian Gottlieb Ackermann ( 1756 – 1801 ), German doctor

Q. prinoides was named and described by the German botanist Karl ( Carl ) Ludwig Willdenow in 1801, in a German journal article by Muhlenberg.

* Frédéric Bastiat ( 1801 – 1850 ), classical-liberal author and political economist

* Ignacy Krasicki ( Polish, 1735 – 1801 ), author of Fables and Parables ( 1779 ) and New Fables ( published 1802 )

) – July 4, 1826 ) was an American Founding Father, the principal author of the Declaration of Independence ( 1776 ) and the third President of the United States ( 1801 – 1809 ).

* December 24 – Frédéric Bastiat French author and economist ( b. 1801 )

Jefferson County was formed from Berkeley County in 1801 and named for Thomas Jefferson, author of the Declaration of Independence and third President of the United States.

He was the author of three volumes of Suites à Buffon, edited by René Richard Louis Castel: Histoire naturelle des Coquilles, contenant leur description, les mœurs des animaux qui les habitent et leurs usages ( Paris, 5 volumes, 1801 ); Histoire naturelle des Vers ( Paris, 2 volumes, 1801 ); and Histoire naturelle des Crustacés ( Paris, 3 volumes, 1802 ).

Theodore Dwight Woolsey ( October 31, 1801 – July 1, 1889 ) was an American academic, author and president of Yale College from 1846 through 1871.

* George Perkins Marsh ( 1801 – 1882 ), American Minister to Italy 1861 – 1882, author of " Man and Nature "

Zelter was the author of a biography of Carl Friedrich Christian Fasch, first published in 1801 by J. F.

* Johann ( Nepomuk Eduard Ambrosius ) Nestroy ( 1801 – 1862 ), an Austrian author of Silesian Polish ( Pogrzebień, nearby Racibórz ) descent

Edward William Brayley FRS ( 1801 – February 1, 1870 ) was an English geographer, librarian, and science author.

Another daughter, from a third marriage, later married Hwang Sa-yeong ( 1775 – 1801 ), author of the notorious Silk Letter.

Henriette Davidis ( March 1, 1801 – April 3, 1876 ) is the most famous classic cookbook author in Germany, and the German cuisine culture is decisively marked by her contributions.

He was also the author of a work on philosophy, Elements of the Philosophy of the Human Mind ( 1801 ), which is entirely based on Hartley's psychology.

Steventon is best known as the birthplace of the author Jane Austen, who lived there from 1775 to 1801, when she moved to Bath with her parents.

* John Holt ( author ) ( 1743 – 1801 ), English author

Montfort was author of Conchyliologie systématique, et classification méthodique de coquilles ( 2 vols., Paris 1808 – 1810 ) and of Histoire Naturelle Générale et Particulière des Mollusques ( 2 vols., Paris 1801 – 1802 ) published as an addendum to the comte de Buffon's Histoire naturelle générale et particulière.

The author corrects in this work what he considers to be the mistakes of Emmanuel Schelstrate and Hardouin, and offers a proof that the native tongue of Christ and the Apostles was Syriac, not Greek, as Dominicus Diodati ( d. 1801 ) had maintained in his De Christo loquente exercitatio ( Naples, 1767 ).