“Karl Marx, himself a denizen of one of the most congested of all London districts, was equally impressed by the dismal conditions of the new proletariat. he sent Darwin a copy of 'Das Kapital' (which was found unread after his death).” ProletariatDarwinKarl Marx Book:The Language of Genes: Solving the Mysteries of Our Genetic Past, Present and Future Source: The Language of Genes: Solving the Mysteries of Our Genetic Past, Present and Future