People of the Revolution and the USSR

GlossaryCommunist Party of Germany (KPD)

Clara Zetkin

Clara Zetkin
Communist Party of Germany (KPD) Communism Germany Germany 1857–1933 ○ Natural causes

Creator of International Women's Day, she set women's liberation at the heart of class struggle

Six months before Hitler took power, she opened the Reichstag as its oldest member with a call for a united front against Nazism (1932)

Founder of Marxist feminism, she saw women's liberation as inseparable from class struggle and proposed International Women's Day in 1910. From anti-war resistance to co-founding the KPD, she opened the Reichstag at seventy-five with a call for a united front against Nazism.

Career timeline
  • 1878–1917Leads the SPD women's movement; edits Die Gleichheit (1892–1917)
  • 1910Proposes International Women's Day at Copenhagen
  • 1915–1919Anti-war work; in at the founding of the Spartacus League and the KPD
  • 1920–1933Reichstag deputy; Comintern executive
  • 1925Published the memoir Lenin on the Women’s Question
  • 1932Opens the Reichstag as its oldest member, calling for a united front against Nazism
  • 1933Exile to the USSR; dies in June, buried in the Kremlin Wall

Robert Emil Eichhorn

Robert Emil Eichhorn

German Social Democratic and Independent Social Democratic politician who headed Berlin police in 1918

“I got my job from the Revolution, and I shall give it up only to the Revolution.”

A trained mechanic, Eichhorn worked for the Social Democratic Party before joining the Independent Social Democratic Party in 1917. After the November Revolution of 1918, he became Berlin police president and pursued a policing policy favorable to left-wing political groups. On 4 January 1919, the Prussian cabinet tried to dismiss him and replace him with Social Democrat Eugen Ernst. Mass demonstrations and a general strike opposed the move, followed by occupations and armed clashes that became the January uprising.

Career timeline
  • 1893Became a full-time Social Democratic Party official and worked as an editor in Dresden
  • 1903–1911Member of the Reichstag for Baden's 9th constituency
  • 1908–1917Head of the Berlin Social Democratic press office
  • 1917Joined the Independent Social Democratic Party
  • 1918–1919Served as Berlin police president
  • 1919–1920Member of the Weimar National Assembly for Berlin
  • 1920–1925Joined the Communist Party of Germany and served in the Reichstag

Ernst Friedrich Däumig

Ernst Friedrich Däumig

German socialist and a leading figure in the workers’ council movement.

A social-democratic journalist, Däumig joined the Independent Social Democratic Party during the First World War and became influential among Berlin radicals and the revolutionary shop stewards. As a leading member of the Berlin workers’ council executive in November 1918, he sought to make the council system the basis of the constitution, but lost to supporters of a national assembly. In 1920 he led the USPD left into the Communist International and became co-chair of the United Communist Party of Germany. He resigned as co-chair with Paul Levi in February 1921, left the party after the March Action and Levi’s expulsion, and helped found the Communist Working Group; in 1922 he rejoined the USPD.

Career timeline
  • 1901Began working for Social Democratic newspapers in Gera, Halle and Erfurt.
  • 1911Joined the Berlin Social Democratic newspaper Vorwärts to cover military affairs and workers’ education.
  • 1916After leaving Vorwärts, campaigned for the Independent Social Democratic Party.
  • 1918Became a leader of the revolutionary shop stewards and a leading member of the Berlin workers’ council executive.
  • 1920Entered the Reichstag as an Independent Social Democrat, backed acceptance of the Bolsheviks’ 21 conditions and affiliation with the Communist International, and became co-chair of the United Communist Party of Germany in December.
  • 1921Resigned as co-chair of the United Communist Party of Germany with Paul Levi in February. After the March Action, he left the party and helped found the Communist Working Group.
  • 1922Rejoined the Independent Social Democratic Party with the Communist Working Group.

Karl Liebknecht

Karl Liebknecht
Communist Party of Germany (KPD) Communism Germany Germany 1871–1919 ✕ Murdered

The lone vote against the war; the revolution's first martyr

“The main enemy is at home.” — anti-war pamphlet, 1915

German socialist revolutionary. The only Reichstag deputy to vote against war credits during the First World War. Co-founded the Spartacus League and the Communist Party of Germany (KPD) with Rosa Luxemburg. Murdered by Freikorps after the January 1919 uprising.

Career timeline
  • 1907Published Militarism and Anti-Militarism and was sentenced to fortress imprisonment
  • 1912–1916Reichstag deputy; the sole vote against war credits in December 1914
  • 1916Arrested at a May Day anti-war rally; sentenced to prison
  • 1918.11November Revolution — proclaims the 'Free Socialist Republic' from the Berlin palace
  • 1918.12–1919.01Co-founds the Spartacus League and the KPD; the January uprising
  • 1919.01Seized by the Freikorps and killed alongside Luxemburg

Rosa Luxemburg

Rosa Luxemburg
Communist Party of Germany (KPD) Communism Germany Poland 1871–1919 ✕ Murdered

“Freedom is always the freedom of the one who thinks differently”

On 14 January 1919, the day after the Spartacist uprising fell, Luxemburg's final article appeared in Die Rote Fahne. To the victors' cry of 'Order prevails in Berlin!' she answered: 'I was, I am, I shall be!' Arrested that night, murdered the next day.

Polish-born German revolutionary, and the Bolsheviks' sharpest comradely critic. From prison she defended the Russian Revolution while warning against the dissolution of the Constituent Assembly and the suppression of the press. Murdered by Freikorps troops during the January 1919 Berlin rising.

Career timeline
  • 1893Co-founds the Polish social democracy
  • 1898–1914Theorist of the SPD left; the revisionism dispute
  • 1899Published Reform or Revolution
  • 1906The Mass Strike
  • 1913Published The Accumulation of Capital
  • 1915–1918Jailed for anti-war work; writes on the Russian Revolution from prison
  • 1918.12Co-founds the German Communist Party
  • 1919.01Murdered by Freikorps troops in the January rising

Heinrich Brandler

Heinrich Brandler
Communist Party of Germany (KPD) Communism Germany Germany 1881–1967 ○ Natural causes

KPD chairman who called off a revolution; co-founder of the International Right Opposition

At the Chemnitz conference on 21 October 1923, Brandler saw the left-wing Social Democrats walk out and abruptly called off the planned insurrection. Word never reached Hamburg in time — workers there rose in isolation and were crushed within 24 hours.

Chairman of the German Communist Party (KPD) who led the party through the 1921 March Action and the 1923 'German October' uprising plan, which he ultimately called off, judging that revolutionary conditions were not ripe. Held responsible by the Comintern, he was summoned to Moscow and sidelined. After opposing Ernst Thälmann's leadership, he was expelled from the KPD in 1929 and co-founded the Communist Party Opposition (KPO) with August Thalheimer, becoming a central figure of the International Right Opposition. Following the Nazi seizure of power he lived in exile in France and Cuba, returning to West Germany in 1949 where he led the Gruppe Arbeiterpolitik, maintaining an independent communist line to the end of his life.

Career timeline
  • 1897–1901Began trade union activity as a bricklayer; joined the SPD
  • 1914–1916Anti-war agitation; founding member of the Spartacus League; arrested and deported
  • 1918.12Founding member of the KPD; elected to the Central Committee
  • 1921–1924KPD Chairman; led March Action and 1923 'German October,' summoned to Moscow after failure
  • 1924–1928Comintern and Profintern work; exiled to Kazakhstan; worked at VSNKh in Moscow
  • 1929Expelled from KPD; co-founded KPO with Thalheimer; built the International Right Opposition
  • 1933–1948Exile in France and Cuba; advocated an anti-fascist united front
  • 1949–1956Returned to West Germany; founded and led Gruppe Arbeiterpolitik

Eugen Leviné

Eugen Leviné
Communist Party of Germany (KPD) Communism Germany Russia (Jewish) 1883–1919 ✕ Shot

Communist who led the Bavarian Soviet Republic in 1919 and was shot after its fall

On 13 April 1919, Leviné became chair of Munich’s Executive Board, calling for a Red Army and the overcoming of capitalism. After the Soviet Republic was suppressed, he was executed in June.

Born to a Jewish merchant family in St Petersburg, he moved to Germany with his mother after his father’s death and studied at Heidelberg. He returned to Russia to take part in the revolution of 1905 and was imprisoned. In Germany he worked in the USPD and the Spartacus League, and in 1919 the KPD sent him to Munich. When the KPD replaced Toller’s council government on 13 April he became its leader, raising a Red Army and putting factories under workers’ control. Captured after Munich fell in May, he was sentenced to death by a court martial and shot in Stadelheim prison on 5 June.

Career timeline
  • 1905Returned to Russia to take part in the revolution and was exiled to Siberia.
  • 1918–1919Helped found the Spartacus League in Berlin and worked in the Communist Party of Germany (KPD).
  • 1919Sent by the KPD to Munich to organize its local branch and help establish the council republic, he became chair of its Executive Board on 13 April and led the republic.
  • 1919Captured after the republic’s suppression, he was sentenced to death and shot at Stadelheim Prison on 5 June.

Paul Levi

Paul Levi
Communist Party of Germany (KPD) Communism Germany Germany 1883–1930 ○ Fatal fall during pneumonia

From Rosa Luxemburg's lawyer to KPD leader, his 'anti-putschism' took on Comintern adventurism

Right after the March Action of 1921 he wrote: 'When I conceived this pamphlet, the Communist Party had 500,000 members in Germany. Eight days later when I wrote it, the party was shaken to its foundations and its very existence called into question. The fallen, sacrificed to this Bakuninist madness, cry out: Never again!'

A socialist who rose from Rosa Luxemburg's lawyer to chairman of the German Communist Party (KPD). Expelled for his pamphlet Unser Weg, which condemned the 1921 March Action as 'Bakuninist putschism,' he returned via the USPD to lead the SPD left. Trotsky called him 'the only man in Germany who had a head to lose.'

Career timeline
  • 1906Joined the SPD; began law practice in Frankfurt
  • 1913Defended Rosa Luxemburg in court on charges of inciting soldiers to disobedience
  • 1915–1918Co-founded the Spartacus League; Zimmerwald Left bureau; edited Spartakusbriefe
  • 1918.12Introduced the 'National Assembly' debate at the KPD founding congress
  • 1919.03–1921.02KPD chairman — rebuilt the party after the murders of Luxemburg, Liebknecht, and Jogiches
  • 1920Led unification with the USPD left, turning the KPD into a mass party; championed the 'Open Letter' tactic
  • 1921Expelled from the KPD for Unser Weg: Wider den Putschismus, his critique of the March Action
  • 1922Returned to the SPD via the USPD; published Luxemburg's suppressed manuscript The Russian Revolution
  • 1924–1930SPD Reichstag deputy; fought to expose the Liebknecht–Luxemburg murders and opposed the rising Nazi movement

August Thalheimer

August Thalheimer
Communist Party of Germany Opposition (KPO) Communism Germany Germany 1884–1948 ○ Natural causes

Main theorist of the KPD and Bonapartist analyst of fascism

In July 1937, when six KPO members were arrested by Stalinists in Barcelona, Thalheimer and Brandler issued a joint statement: 'We take upon ourselves any political and personal guarantee for our arrested comrades. They are anti-Fascists and revolutionaries, incapable of any action that could be construed as high treason to the Spanish Revolution.'

One of the leading theorists of the founding generation of the German Communist Party (KPD), and the originator of the 'Bonapartist' theory of fascism, which saw fascism not as a mere instrument of finance capital but as an autonomous executive power rising above class antagonism. Expelled from the KPD in 1929, he co-founded the Communist Party Opposition (KPO) with Heinrich Brandler, holding a line opposed to both Stalinism and Social Democracy while continuing his anti-fascist writings in exile.

Career timeline
  • 1910Joined the SPD; edited left-wing party newspapers
  • 1916–1918Active in the Spartacus League; drafted and jailed for anti-war agitation
  • 1918.12Founding member of the KPD; its main theorist in the early 1920s
  • 1923Co-led the KPD with Brandler; summoned to Moscow after the failed 'German October'
  • 1924–1928Taught and researched at the Marx-Engels Institute and Sun Yat-sen University, Moscow
  • 1929Expelled from the KPD; co-founded the Communist Party Opposition (KPO) with Brandler
  • 1933–1948Exile in France and Cuba; continued anti-fascist theoretical work

Ernst Thälmann

Ernst Thälmann
Communist Party of Germany (KPD) Communism Germany Germany 1886–1944 ✕ Executed

Hitler's personal prisoner, unbroken by eleven years in solitary

“A vote for Hindenburg is a vote for Hitler; a vote for Hitler is a vote for war.” — presidential campaign, 1932

KPD chairman. A Hamburg dock worker, he built the party into a Weimar mass force. Arrested after the Nazi takeover, he spent eleven years in solitary and was shot at Buchenwald in 1944.

Career timeline
  • 1903–1920Hamburg docker; from the SPD via the USPD to the KPD
  • 1925–1933KPD chairman; leads the Red Front-Fighters' League
  • 1925Runs for Reich President
  • 1932Runs for Reich President
  • 1933Arrested by the Gestapo; eleven years in solitary
  • 1944.08Shot at Buchenwald on Hitler's direct order

Karl Korsch

Karl Korsch

Co-founder of Western Marxism, the German philosopher who challenged Marxist orthodoxy with Marxism and Philosophy

“If we get a few more of these Professors spinning out their theories, we shall be lost.” — Zinoviev at the 5th Comintern Congress, 1924, attacking Korsch and Lukács

German Marxist philosopher and revolutionary who, alongside Lukács, laid the foundations of Western Marxism. In Marxism and Philosophy (1923) he applied the materialist conception of history to Marxism itself, arguing for the revolutionary recovery of the Hegelian dialectic, a move that drew fierce denunciation from the Comintern. Served as Justice Minister in the 1923 Thuringian workers' government and as a KPD Reichstag deputy before his expulsion as a left-oppositionist. Fled the Nazis for American exile, where his scholarship left a deep imprint on Brecht, Benjamin, and the Frankfurt School.

Career timeline
  • 1906–1910Studies law and philosophy at Munich, Geneva, Berlin; doctorate in law, University of Jena
  • 1912–1914Legal research in London; joins the Fabian Society
  • 1914–1918German Army service — refuses to carry weapons; awarded the Iron Cross twice for bravery
  • 1917Joins USPD; elected delegate to soldiers' soviet
  • 1920Joins KPD with the USPD left wing; lecturer at University of Jena
  • 1923.03Publishes Marxism and Philosophy; becomes target of fierce Comintern criticism
  • 1923.10–11Justice Minister, Thuringian workers' government — collapses after 27 days under Reichswehr intervention
  • 1924–1928KPD Reichstag deputy; delegate to 5th Comintern Congress
  • 1926.04Expelled from KPD; forms the Resolute Lefts (Entschiedene Linke) opposition faction
  • 1933Flees Germany the night of the Reichstag fire; passes through Denmark and England
  • 1936–1961US exile — Tulane University, Institute for Social Research; teaches Marxism to Brecht
  • 1938Publishes Karl Marx; deeply influences Benjamin's Arcades Project
  • 1950Ten Theses on Marxism Today — declares break with orthodox Marxism

Hugo Eberlein

Hugo Eberlein
Communist Party of Germany (KPD) Communism Germany Germany 1887–1941 ✕ Shot

German Communist who abstained on the Comintern’s founding at its first congress and was later shot in the Great Purge

At the 1919 Comintern founding congress, Eberlein conveyed Luxemburg and Jogiches’s mandate against immediate foundation. Lenin persuaded him personally, but he followed the mandate and abstained rather than vote against.

A draughtsman from Saalfeld, he joined the SPD and during the war co-founded the Spartacus League with Luxemburg. As the KPD’s delegate to the Comintern’s founding congress in March 1919 he abstained on the founding vote, as Luxemburg and Jogiches had advised, believing a premature International would be dominated by the Bolsheviks. Afterwards he did organisational and financial work for the Comintern and the German party and sat in the Prussian Landtag. He fled to the Soviet Union in 1933, was arrested in 1937 and was shot in Moscow in October 1941.

Career timeline
  • 1916Helped organize the Spartacus League as an underground political organization.
  • 1918Helped found the Communist Party of Germany (KPD).
  • 1919Attended the Comintern’s founding congress as the KPD delegate and abstained on its founding vote.
  • 1921Elected to the Prussian Landtag.
  • 1937Arrested and imprisoned in the Soviet Union.
  • 1941Shot in Moscow.

Willi Münzenberg

Willi Münzenberg
Comintern Communism Germany Germany 1889–1940 ✕ Mysterious death

The 'Red Millionaire' who exposed Nazi terror through publishing, the Comintern's greatest propagandist, who broke with Stalin

"Stalin, you are a traitor!" — Münzenberg's response to the 1939 Molotov–Ribbentrop Pact

The Comintern's most brilliant mass-propagandist. He founded Workers International Relief, co-founded the League Against Imperialism, and his Brown Book (1933) exposed the Reichstag fire as a Nazi frame-up. He broke with Stalin and died under mysterious circumstances.

Career timeline
  • 1915–1919Secretary, Intl. Union of Socialist Youth Organizations
  • 1919–1921First Secretary, Young Communist International
  • 1921–1937Founder & leader, Workers International Relief (IAH/Mezhrabpom)
  • 1924–1933Reichstag deputy for Hesse-Nassau (KPD)
  • 1927–1935Co-founder & leader, League Against Imperialism
  • 1933–1939Directed anti-fascist exile publishing & solidarity (Paris)
  • 1939–1940Publisher of Die Zukunft, independent anti-Nazi/anti-Stalinist line

Ernst Reuter

Ernst Reuter

The social democrat who became the voice of divided Berlin

“People of the world, look upon this city! You cannot, you must not, forsake us!”

Ernst Reuter was a German politician whose path from social democracy through communism and back reflected the upheavals of twentieth-century Europe. After Nazi persecution and exile in Turkey, he returned to Berlin and joined municipal administration to a practical social-democratic politics. During the Berlin Blockade, he gave West Berliners’ resolve an international voice and helped make the divided city a symbol of freedom and self-government. His career also reveals the tensions of a generation that moved from revolutionary radicalism toward democratic local government.

Career timeline
  • 1912Joined the Social Democratic Party of Germany
  • 1918–1919First chairman of the Volga German Autonomous Soviet Socialist Republic
  • 1921First secretary of the Berlin district of the Communist Party of Germany
  • 1926–1931Berlin city councillor for transport
  • 1931–1933Mayor of Magdeburg
  • 1935–1946Lecturer in urban planning at Ankara University and adviser to the Turkish government
  • 1947Elected mayor of Berlin, without Soviet consent
  • 1948–1953Mayor of West Berlin, Governing Mayor from 1951

Ruth Fischer

Ruth Fischer
Communist Party of Germany (KPD) Communism Germany Austria 1895–1961 ○ Natural causes

First woman to lead a major European communist party, and its sharpest anti-Stalinist apostate

“We are condemned to death, since terror reigns in Leningrad.” — her letter to Maslow, intercepted by Soviet censorship and read aloud at a Comintern special session, sealed her break with Stalin (February 1926).

Co-chair of the KPD (1924–1925), the first woman to lead a major European communist party. Born to a Vienna philosophy professor, she co-founded the Austrian Communist Party in 1918 and then, with Arkadi Maslow, led the KPD's ultra-left in Berlin, providing the theoretical groundwork for the 1923 uprising. A fierce factional warrior who publicly denounced Trotsky at the Fifth Comintern Congress, she was expelled in 1926 after refusing to submit to Stalin and spent the rest of her life as an anti-Stalinist left intellectual. Her dramatic trajectory took her from Comintern leadership to US intelligence cooperation in exile, and finally back toward communism in her final years.

Career timeline
  • 1918Co-founds the Austrian Communist Party (KPÖ); member no. 1
  • 1919–1921Moves to Berlin, joins the KPD
  • 1921–1923Berlin district leader; with Maslow develops the left-wing 'theory of the offensive'
  • 1924–1925KPD co-chair; Reichstag and Prussian Landtag deputy; candidate member of the Comintern Executive
  • 1924Leads the German delegation to the Fifth Comintern Congress; publicly denounces Trotsky
  • 1925–1926Detained in Moscow; refuses Stalin's demand to submit to the party line
  • 1926Expelled from the KPD for supporting the United Opposition
  • 1928Briefly joins the Leninbund, soon departs
  • 1933–1941Exile in Paris; cooperates with Trotsky, founds the Gruppe Internationale
  • 1941–1955Exile in the US; publishes Stalin and German Communism (1948)
  • 1947Testifies before HUAC against her brothers Gerhart and Hanns Eisler
  • 1955–1961Returns to Paris; publishes From Lenin to Mao (1956), renouncing anti-communism

Otto Braun

Otto Braun
Comintern Communism Germany Germany 1900–1974 ○ Natural causes

“Li De”, the only Westerner on the Long March and the Comintern military adviser blamed at Zunyi

Sent to China as a Comintern agent under the name Li De, he was nearly the only foreigner on the Long March, and the Zunyi Conference of 1935 removed him and Bo Gu from command. East Germany revealed only in 1964 that Li De was Otto Braun.

A German Communist from Munich who escaped prison in 1928 and studied at the Frunze Military Academy in the Soviet Union. Sent to Shanghai as Comintern military adviser in 1932, he entered the Jiangxi Soviet in 1933 and with Bo Gu directed a positional defence that lost the fifth encirclement campaign. On the Long March the Zunyi Conference of 1935 condemned his and Bo Gu’s military leadership and elevated Mao. He returned to Moscow in 1939 and after the war lived in East Germany as a translator and lecturer, publishing his memoir A Comintern Agent in China in 1973.

Career timeline
  • 1932–1939Comintern military adviser in China

Erich Honecker

Erich Honecker
East Germany Communism Germany Germany 1912–1994 ○ Died

The long-serving East German leader of the walled republic

His removal in October 1989 showed that the GDR's collapse could no longer be contained even within its leadership.

A German communist trained at Moscow's International Lenin School, he rose through East Germany's youth organization and party leadership. He led the Socialist Unity Party from 1971 to 1989 as the GDR's long-serving ruler.

Career timeline
  • 1930–1931Studies at Moscow's International Lenin School
  • 1971–1989First, then general secretary of the SED
  • 1976–1989Chairman of the GDR State Council
  • 1989Removed amid mass protests

Wolfgang Leonhard

Wolfgang Leonhard
Socialist Unity Party of Germany (SED) Communism Germany Germany 1921–2014 ○ Natural death

Youngest member of the Ulbricht Group who fled to Yugoslavia in 1949 and became a leading Western scholar of Soviet communism

Born Vladimir Leonhard in Vienna, he went into Soviet exile with his Communist mother in 1935; she was arrested in 1936 and spent twelve years in the Vorkuta camps. After the Comintern school he became an announcer for Radio Free Germany, and on 30 April 1945 he returned to Berlin as a member of the Ulbricht Group. He worked in the agitation and propaganda department of the KPD and then SED Central Committee and from 1947 lectured at the party college. Convinced that Germany would replicate the Soviet system, he fled via Czechoslovakia to Yugoslavia in March 1949 and moved to West Germany in 1950. His 1955 memoir Die Revolution entlässt ihre Kinder became an international bestseller, and from 1966 to 1987 he taught Soviet history at Yale.

Career timeline
  • 1935Went into Soviet exile with his mother
  • 1943Announcer at Radio Free Germany
  • 1945Returned to Berlin with the Ulbricht Group
  • 1947Lecturer at the SED party college
  • 1949Fled to Yugoslavia
  • 1955Published his memoir
  • 1966–1987Professor at Yale