Friedrich Engels was a German philosopher, social and political theorist, journalist, businessman, and revolutionary socialist. He is best known for his lifelong collaboration with Karl Marx, with who
Engels in 1877
Engels's childhood home in Barmen, Prussia, a town which he later described as the "Zion of the obscurantists".
Self-portrait of Engels at age 19 in 1839
Sketch by Engels depicting the Berlin Freien, 1842
Edgar Bauer was a German writer, journalist and political philosopher associated with the Young Hegelians. The younger brother of Bruno Bauer, he became known in the 1840s for radical political and an
Portrait of Bauer at a meeting of Die Freien by Friedrich Engels, 1842
Title page of The Holy Family (1845), in which Karl Marx and Friedrich Engels polemicized against Edgar and Bruno Bauer.
Session of the Frankfurt National Assembly in June 1848, which Bauer denounced for electing Archduke John of Austria as imperial regent.
Cosmus Bræstrup [da], the Copenhagen police director who received Bauer's confidential reports on the émigré milieu in London.