Law of Population was a treatise written  as a response to works on population growth by an English cleric and what?
Law of Population: Law of Population (1830) was a massive treatise written by Michael Thomas Sadler as a response to Thomas Robert Malthus's works on population growth, notably "An Essay on the Principle of Population" (first edition 1798). 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.
scholar