The concept that productive enterprises should be owned by the workforce was common coin in the mid-nineteenth century, not just by Marx and the left but also by the most prominent classical liberal figure of the day, John Stuart Mill. Mill held that “the form of association, however, which if mankind continue to improve, must be expected to predominate is … the association of the labourers themselves on terms of equality, collectively owning the capital with which they carry on their operations, and working under managers electable and removable by themselves.”