Thomas Robert Malthus (1766-1834) was a British scholar, influential in political economy and demography. Malthus popularized the economic theory of rent. Malthus has become widely known for his theories concerning population and its increase or decrease in response to various factors. The six editions of his An Essay on the Principle of Population, published from 1798 to 1826, observed that sooner or later population gets checked by famine and disease. He wrote in opposition to the popular view in 18th-century Europe that saw society as improving and in principle as perfectible. William Godwi...