After Heydrich's 1942 assassination, Himmler assumed the leadership of the RSHA, but in January 1943 Ernst Kaltenbrunner was appointed Chief of the RSHA.

On 2 January 1937 Schwitters, wanted for an ' interview ' with the Gestapo, fled Hanover for Norway to join his son Ernst, who had already left Germany on 26 December 1936.

His positions were taken over by Ernst Kaltenbrunner in January 1943, following a few short months of Heinrich Himmler personally running the RSHA while searching for Heydrich's replacement.

* January 2 – Ernst Barlach, German sculptor, graphic artist, and poet ( d. 1938 )

* January 28 – Ernst Lubitsch, German-born film director ( d. 1947 )

* January 11 – Ernst Nolte, German historian

* January 25 – Ernst Alexanderson, Swedish-born television pioneer ( d. 1975 )

After which Ernst Kaltenbrunner was named Chief by Himmler on 30 January 1943, and remained there until the end of the war.

Alfred Ernst Rosenberg () ( 12 January 1893 – 16 October 1946 ) was an early and intellectually influential member of the Nazi Party.

Ernst Lubitsch ( January 28, 1892November 30, 1947 ) was a German American actor, screenwriter, producer and film director.

Ernst Moritz Arndt ( 26 December 1769 – 29 January 1860 ) was a German nationalistic and antisemitic author and poet.

In January 1988, Irving travelled to Toronto, Canada to assist Douglas Christie, the defence lawyer for Ernst Zündel at his second trial for denying the Holocaust.

* January 3 – Ernst Mahle, Brazilian composer and conductor

* January 18 – Ernst Rudorff, composer and music teacher ( d. 1918 )

* January – Heinrich Wilhelm Ernst, violinist and composer ( d. 1865 )

Dr. Ernst Heinkel ( January 24, 1888 – January 30, 1958 ) was a German aircraft designer, manufacturer, Wehrwirtschaftsführer in the Third Reich, and member of the Nazi party.

On 11 January 1999, shortly before Caroline and Ernst's wedding, his distant cousin Queen Elizabeth II of the United Kingdom issued this Order in Council, " My Lords, I do hereby declare My Consent to a Contract of Matrimony between His Royal Highness Prince Ernst August Albert of Hanover, Duke of Brunswick-Luneburg and Her Serene Highness Princess Caroline Louise Marguerite of Monaco ...".

In January 2010, photos emerged of Ernst August kissing a woman who was not identified as Caroline, leading press to speculate that the couple are divorcing.

In January 1939, Balbo was accompanied on one of his flights by German Colonel-General Ernst Udet.

The Society first met in February 1843 at Thomas Hodgkin's house ; or on 31 January, when Ernst Dieffenbach read a paper On the Study of Ethnology.

Ernst & Young was hired, to advise the Central Bank of Ireland on the € 440 billion bank guarantee scheme in January 2009, despite the fact that Ernst & Young was being investigated arising from its audits of Anglo Irish Bank and had also refused to appear before a parliamentary committee following the collapse of the same bank after receiving " legal advice ".

On 16 January 1931, Ernst Heinkel recruited the Siegfried Günter to work for his Heinkel company in Rostock, and Walter joined the company on 31 July 1931, where he was in charge of developing low and high-speed wind tunnels.

Birth on the 3rd of January in Zittau ( Germany ). Only child of the fiscal officer F. C. E. Schulze ( deceased 1919 ) and his wife Dr. med.

After the success of an exhibition on Prussia, which was shown in the Martin-Gropius-Bau in 1981, the then Governing Mayor of ( West ) Berlin, Richard von Weizäcker, commissioned four prominent historians – Hartmut Boockmann, Eberhard Jäckel, Hagen Schulze and Michael Stürmer – to prepare a memorandum, which appeared in January 1982 under the title Deutsches Historisches Museum in Berlin.

Albert Camus (; 7 November 1913 – 4 January 1960 ) was an algerian born author, journalist, and philosopher.

Albert Schweitzer, OM ( 14 January 1875 – 4 September 1965 ) was a German and then French theologian, organist, philosopher, physician, and medical missionary.

Francis Bacon, 1st Viscount St. Alban, Kt., KC ( 22 January 1561 – 9 April 1626 ) was an English philosopher, statesman, scientist, jurist, and author.

Johann Gottlieb Fichte (; May 19, 1762 – January 27, 1814 ) was a German philosopher.

Gotthold Ephraim Lessing ( 22 January 172915 February 1781 ) was a German writer, philosopher, dramatist, publicist and art critic, and one of the most outstanding representatives of the Enlightenment era.

Kurt Friedrich Gödel (; ; April 28, 1906 – January 14, 1978 ) was an Austrian American logician, mathematician, and philosopher.

Maria Gaetana Agnesi ( May 16, 1718 – January 9, 1799 ) was an Italian mathematician and philosopher.

In January 2010, a previously unknown letter from Descartes, dated 27 May 1641, was found by the Dutch philosopher Erik-Jan Bos when browsing through Google.

Robert Anton Wilson ( born Robert Edward Wilson, January 18, 1932 – January 11, 2007 ), known to friends as " Bob ", was an American author and polymath who became at various times a novelist, philosopher, psychologist, essayist, editor, playwright, poet, futurist, civil libertarian and self-described agnostic mystic.

Robert Nozick ( November 16, 1938 – January 23, 2002 ) was an American political philosopher, most prominent in the 1970s and 1980s.

* January 31 – Arnold Geulincx, Flemish philosopher ( d. 1669 )

* January 18 – Louis Claude de Saint-Martin French philosopher, known as le philosophe inconnu.

* January 25 – Friedrich Heinrich Jacobi, German philosopher ( d. 1819 )

* January 14 – Otto Liebmann, German philosopher ( Kant & Epigones ) ( b. 1840 ).

* January 19 – Pierre-Joseph Proudhon, French philosopher and anarchist ( b. 1809 )

* January 4 – Henri Bergson, French philosopher, recipient of the Nobel Prize in Literature ( b. 1859 )

* January 29 – Arnold Gehlen, German philosopher ( d. 1976 )

* January 12 – Alasdair MacIntyre, Scottish-born American philosopher

* January 30 – Damião de Góis, Portuguese philosopher ( b. 1502 )

* January 14 – Albert Schweitzer, Alsatian physician, philosopher, and musician, recipient of the Nobel Peace Prize ( d. 1965 )

* January 23 – Max Nordau, Hungarian author, philosopher, and Zionist leader ( b. 1849 )

* January 25 – Gilles Deleuze, French philosopher ( d. 1995 )

* January 19 – Lysander Spooner, American philosopher ( d. 1887 )

* January 11 – William James, American psychologist and philosopher ( d. 1910 )