Editing Gottfried Kinkel (section)

==Early life==
He was born at [[Oberkassel (Bonn)|Oberkassel]] (now part of [[Bonn]]).  Having studied theology at Bonn and Berlin, he established himself at Bonn in 1836 as a ''[[Privatdozent]]'', or theology tutor, became master at the [[gymnasium (Germany)|secondary school]] there, and was for a short time assistant preacher in [[Cologne]].{{sfn|Chisholm|1911}}

Changing his religious opinions, he abandoned theology and delivered lectures on the history of art, in which he had become interested on a journey to Italy in 1837. In 1843, he married [[Johanna Kinkel|Johanna Mockel]] (1810–1858), a writer, composer and musician who assisted her husband in his literary work and revolutionary activities. They had four children.  In 1846 he was appointed extraordinary professor of the history of art at the [[University of Bonn]].{{sfn|Chisholm|1911}}