He had become passionate about the study of chemistry, matriculating at the University of Göttingen in the spring of 1838 in order to study with the famous chemist Friedrich Wöhler.

Then, in 1828, Friedrich Wöhler published a paper on the synthesis of urea, proving that organic compounds can be created artificially.

The later discovery of Friedrich Wöhler that many natural substances, organic compounds, can indeed be synthesized in a chemistry laboratory also helped the modern chemistry to mature from its infancy.

This separation was ended however by the synthesis of urea from inorganic precursors by Friedrich Wöhler in 1828.

Friedrich Wöhler circa the 1850s.

* Robin Keen: The Life and Work of Friedrich Wöhler.

* Johannes Valentin: Friedrich Wöhler.

* Georg Schwedt: Der Chemiker Friedrich Wöhler.

* George B. Kauffman, Steven H. Chooljian: Friedrich Wöhler ( 1800 – 1882 ), on the Bicentennial of his Birth.

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On January 31, 1943 the Sixth Army's commander, Field Marshal Friedrich Paulus surrendered, and on February 2, with the elimination of straggling German troops, the Battle of Stalingrad was over.

The first white dwarf discovered was in the triple star system of 40 Eridani, which contains the relatively bright main sequence star 40 Eridani A, orbited at a distance by the closer binary system of the white dwarf 40 Eridani B and the main sequence red dwarf 40 Eridani C. The pair 40 Eridani B / C was discovered by William Herschel on 31 January 1783 ;< sup >, p. 73 </ sup > it was again observed by Friedrich Georg Wilhelm Struve in 1825 and by Otto Wilhelm von Struve in 1851.

* January 31 – Friedrich Rückert, German poet, translator, and professor of Oriental languages ( b. 1788 )

Together, Wilhelm and Henriette had four children: Jacob Grimm ( 3 April 1826 – 15 December 1826 ), Herman Friedrich Grimm ( 6 January 1828 – 16 June 1901 ), Rudolf Georg Grimm ( 31 March 1830 – 13 November 1889 ), and Barbara Auguste Luise Pauline Marie ( 21 August 1832 – 9 February 1919 ).

Friedrich " Fritz " Walter ( 31 October 1920 – 17 June 2002 ) was a German footballer.

Later he studied musicology and philosophy with Johannes Wolf and Friedrich Blumein at the University of Berlin ( 1929 – 31 ), as well as taking composition lessons ( 1927 – 32 ) with John Ireland.

Schoenberg formally reclaimed membership in the Jewish religion at a Paris synagogue, then traveled with his family to the United States ( Friedrich 1986, 31 ).

February 11, 1845, Fisher had been involved in coercing newly arrived immigrants to sign documents stating their intent to depart from the Verein and align with Fisher's friend Dr. Friedrich Schubbert aka Friedrich Strubberg .. Cappes was not in town when Meusebach was breakfast host to Fisher on December 31, 1846.

Friedrich Rückert ( 16 May 1788 – 31 January 1866 ) was a German poet, translator, and professor of Oriental languages.

Karl Friedrich Hermann ( August 4, 1804 – December 31, 1855 ) was a German classical scholar and antiquary.

Friedrich Hermann Hund ( 4 February 1896 – 31 March 1997 ) was a German physicist from Karlsruhe known for his work on atoms and molecules.

Walther Friedrich Schellenberg ( 16 January 1910 – 31 March 1952 ) was a German SS-Brigadeführer who rose through the ranks of the SS to become the head of foreign intelligence following the abolition of the Abwehr in 1944.

Georg Friedrich Rudolph Theodor Herwegh ( 31 May 1817 – 7 April 1875 ) was a German revolutionary poet.

* 1816 – 31 Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg

The pair 40 Eridani B / C was discovered on January 31, 1783, by William Herschel .< sup >, p. 73 </ sup > It was again observed by Friedrich Georg Wilhelm Struve in 1825 and by Otto Wilhelm von Struve in 1851.

Georg Friedrich Graf von Hertling ( 31 August 1843 – 4 January 1919 ) was a Bavarian politician who served as Minister-President of Bavaria 1912 – 1917 and then as Minister-President of Prussia and Chancellor of the German Empire from 1917 to 1918.

Wilhelm picked out Charles Edward's bride for him, his niece and on 11 October 1905, at Glücksburg Castle, Schleswig-Holstein, the Duke married Princess Victoria Adelaide of Schleswig-Holstein ( 31 December 1885 – 3 October 1970 ), the daughter of Duke Friedrich Ferdinand of Schleswig-Holstein-Sonderburg-Glücksburg.

Carl Friedrich Goerdeler ( 31 July 1884 – 2 February 1945 ) was a monarchist conservative German politician, executive, economist, civil servant, and opponent of the Nazi regime.

* J. Friedrich: Urartäisch, in Handbuch der Orientalistik I, ii, 1-2, pp. 31 – 53.

Celebrating the university's 300 years jubilee 0n 31 August 1844, King Frederick William IV of Prussia laid the foundation for the new main building of the Albertina, which was inaugurated in 1862 by Crown Prince Frederick and Prorector Johann Karl Friedrich Rosenkranz.

* Bryologia germanica ( with Christian Friedrich Hornschuch und Jacob Sturm, 1823 – 31, 2 Bände mit 43 Tafeln )

Frederick Louis, Prince of Hohenlohe-Ingelfingen () ( January 31, 1746 – February 15, 1818 ) was a Prussian general and the eldest son of Prince John Frederick ( Johann Friedrich ; died 1796 ) of Hohenlohe-Ingelfingen.

** Friedrich Schenk Freiherr von Stauffenberg ( 23. Oct. 1806-02. May. 1874 ) ∞ Karoline Gräfin Butler von Clonebough ( 31. Jan. 1812-06. Nov. 1879 )