This man's most famous work posits that, "The history of all hitherto existing society is the history of class struggles.
This man wrote for Horace Greeley's New York Tribune until the departure of editor Charles Dana changed the paper's pro-abolitionist stance. This man's letter to Eisenach was later published as The Critique of the Gotha Program. This man wrote that history repeats, "first as tragedy, then as farce," in a work examining a French coup in 1851, The Eighteenth Brumaire of Louis Napoleon. This man's most famous work posits that, "The history of all hitherto existing society is the history of class struggles." That work was a collaboration between this man and Friedrich Engels. FTP, name this philosopher who wrote that "A spectre is haunting Europe," in The Communist Manifesto.
This man wrote for Horace Greeley's New York Tribune until the departure of editor Charles Dana changed the paper's pro-abolitionist stance.
Karl Marx