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.
John de Winchester John de Winchester (died 1460) was a 15th-century English cleric who distinguished himself as an administrator and bishop in Scotland. Winchester was a student of canon law from 1418, graduating with a bachelorate in 1421.