Frederick Engels
Frederick Engels was born in 1820. In 1842 Engels went to Manchester to represent the family firm. Relationships there inspired the famous The Condition of the Working Class in England in 1844. Collaboration with Marx began in 1844 and in 1847 he composed the first drafts of the Manifesto. After Marx's death, he prepared the unfinished volumes of Capital for publication. He died in 1895.