Title: Maximilian Wolfgang Duncker
Content:  Duncker was born in Berlin, Province of Brandenburg, as the eldest son of the publisher Karl Duncker. He studied at the universities of Bonn and Berlin till 1834, was then accused of participation in the students' societies, which the government was endeavouring to suppress, and was condemned to six years' imprisonment, afterwards reduced to six months. He had already begun his labours as a historian, but after serving his sentence in 1837, found himself debarred till 1839 from completing his course at Halle, where in 1842 he obtained a professorship. Elected to the Frankfurt Parliament in 1848, he joined the Right Centre Party, and was chosen reporter of the projected constitution. He sat in the Erfurt assembly in 1850, and in the second Prussian chamber from 1849 to 1852. 
Title: Hans Julius Duncker
Content:  Hans Julius Duncker (26 May 1881 in Ballenstedt, Anhalt, now Saxony-Anhalt – 22 December 1961 in Saarbrücken) was a German ornithologist, geneticist and eugenicist.
Title: Karl Duncker
Content:  Karl Duncker (2 February 1903, in Leipzig – 23 February 1940) was a German Gestalt psychologist. He attended Friedrich-Wilhelms-University from 1923 to 1923, and spent 1925–1926 at Clark University in Worcester, MA as a visiting professor, where he received a masters in arts degree. Until 1935 he was a student and assistant of the founders of Gestalt psychology in Berlin: Max Wertheimer, Wolfgang Köhler and   Kurt Koffka. In 1935, exiled by the Nazis, he got an assistantship in Cambridge with Frederic Charles Bartlett and later immigrated to the US, where he was again an assistant of Wolfgang Köhler’s at Swarthmore College. He committed suicide in 1940 at 37 years of age. He had been suffering from depression for some time and had received professional treatment. His younger brother Wolfgang Duncker (1909–1942), a communist in exile in Moscow, was arrested in 1938 during the Great Purges and died in the Gulag. Their parents were the well-known socialist and later communist politicians and educators Hermann and Käte Duncker.
Title: Wolfgang Duncker
Content:  Wolfgang Duncker (5 February 1909 – 20 November 1942) was a German film critic and journalist. The son of political activist parents, in 1929 he himself joined the Communist Party. After the Hitler government took power at the start of 1933 he emigrated, ending up in Moscow from August 1935. He took Soviet citizenship in August 1937 or January 1938, but was arrested by the security services in March 1938 and accused of spying. Sentencing followed on 8 June 1938. He died "of exhaustion" at the Vorkutlag labour camp 2,500 km / 1,600 miles north-east of Moscow, slightly less than three years after his brother's suicide near New York City. Wolfgang Duncker's Swiss-born widow stayed on, working in a Soviet tank factory, and able to leave the Soviet Union with her two surviving children only at the end of 1945. She returned home to Basel in 1947.
Title: Duncker
Content: Alexander Duncker (1813–1879), German publisher and bookseller ; Carl Friedrich Wilhelm Duncker (1781–1869), German publisher ; Franz Duncker (1822–1888), German publisher, politician, and social reformer. ; Georg Duncker (1870–1953), German ichthyologist ; Hermann Duncker (1874–1960), German Marxist politician, historian and social scientist ; Joachim Zachris Duncker (1774–1809), Swedish soldier ; Karl Duncker (1903–1940), German psychologist ; Käte Duncker (1871–1953), German activist and politician ; Maximilian Wolfgang Duncker (1811–1886), German historian and politician ; Patricia Duncker (born 1951), British novelist and academic ; Wolfgang Duncker (1909–1942), German journalist and film critic Duncker is a surname. Notable people with the surname include: 
Title: Vincent Duncker
Content:  Vincent Duncker (9 November 1884 – unknown) was a German athlete who competed mainly in the 110 metre hurdles. He competed for Germany in the 1906 Intercalated Games held in Athens, Greece in the 110 metre hurdles where he won the Bronze medal.
Title: Hermann Duncker
Content:  Duncker was born in Hamburg as a son of a businessman. He studied music at the Leipzig Conservatory, then history, economics and philosophy at the University of Leipzig. He joined the Social Democratic Party of Germany (SPD) in 1893. In 1898 he married Käte Duncker (née Doell) who was then a teacher, but also became a socialist politician, journalist and feminist. The couple had three children: daughter Hedwig (1899–1996, physician), and sons Karl (1903–1940, Gestalt psychologist) and Wolfgang (1909–1942, journalist and film critic). In 1900, Duncker started teaching at the Leipzig workers' educational association. In 1903 he completed his Ph.D. under supervision of Karl Bücher and Karl Lamprecht. In the same 
Title: Wolfgang Duncker
Content:  Wolfgang Duncker was born in Stuttgart, the youngest of his parents' three recorded children. Hermann Duncker (1874–1960), his father, was a trades union activist who later became a founder member of the Communist Party and later still became a professor and dean of faculty at the University of Rostock. His mother, Käte Duncker (1871–1953) was also active in education and politics over many years in, successively, imperial Germany, Weimar Germany, New York City and the German Democratic Republic. Wolfgang attended school in Berlin and then Copenhagen between 1915 and 1919. His mother fled to Denmark after the assassinations of Rosa Luxemburg and Karl Liebknecht, but after the most intense phase of the socio-political 
Title: Hermann Duncker
Content:  sciences. In the German Democratic Republic (GDR; East Germany), Duncker became the rector of the Free German Trade Union Federation (FDGB) academy in Bernau bei Berlin in 1949. Almost blind by that time, he held that position until his death. From 1955 to 1960 he was also a member of the East German trade union federation's executive board. Duncker was awarded the Order of Karl Marx (highest decoration of the GDR) in 1953, an honorary doctorate of the University of Leipzig in 1954 and the highest class of the Patriotic Order of Merit in 1955. He was buried near the Memorial to the Socialists at the Berlin Friedrichsfelde central cemetery.
Title: Franz Duncker
Content:  Franz Duncker (4 June 1822 – 18 June 1888) was a German publisher, left-liberal politician and social reformer.

Question: In what city was Joachim Zachris Duncker born?
Answer: Ristiina.
Kristina.
Kristina kommun.