sentences:  He served as an editor of the "Neue Rheinische Zeitung" in 1848-9 and as a member of the Frankfurt National Assembly.Wolff emigrated to Switzerland in 1849 and then to England in 1851.On his death, Wolff left a substantial fortune to Marx, who dedicated the first volume of "Das Kapital" to him with the line "To my unforgettable friend, Wilhelm Wolff.