Answer: malthus

AnswerCrossword Clue
MALTHUS"Essay on the Principle of Population" penner Thomas
MALTHUSOutmoded writer on population.
MALTHUSEconomist who wrote on population trends
MALTHUSWriter on population: 1798
MALTHUSPopulation-study pioneer
MALTHUSEconomist who wrote "An Essay on the Principle of Population," 1798