Sir '''Arnold Plant''' (1898-1978) was an influential professor at the [[London School of Economics]] whom [[Ronald Coase]] credits with converting him to free market principles like the "invisible hand."
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Professor Plant argued that authors would still find a way to sell their writings even in the absence of laws granting copyrights to them, if a demand truly existed for the authors' works.<ref>[http://www.acton.org/publicat/m_and_m/2001_spring/cole1.html Would the Absence of Copyright Laws Significantly Affect the Quality and Quantity of Literary Output?]</ref>