Law of Population was a treatise written  as a response to works on population growth by an English cleric and what?
Thomas Robert Malthus Thomas Robert Malthus ( ; 13 February 1766 – 29 December 1834) was an English cleric and scholar, influential in the fields of political economy and demography. Malthus himself used only his middle name, Robert.
Thomas White (scholar) Thomas White (1593–1676) was an English Roman Catholic priest and scholar, known as a theologian, censured by the Inquisition, and also as a philosopher contributing to scientific and political debates.