Title: Pioniere der deutschen Demokratie
Subjects: Intellectual life
Places: Germany
People: Gotthold Ephraim Lessing (1729-1781), Wilhelm von Humboldt (1767-1835), Alexander von Humboldt (1769-1859), Ludwig Börne (1786-1837), Georg Büchner (1813-1837), Robert Blum (1807-1848), Carl Schurz (1829-1906)
Time periods: 18th century, 19th century