Crossword clues for the word: MALTHUS The word MALTHUS has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for MALTHUS Showing 1 to 8 of 8 results Clue(s) """Essay on the Principle of Population"" penner Thomas" "Economist who wrote ""An Essay on the Principle of Population,"" 1798" Economist who wrote on population trends Half of 20 into whiskies? Sickness abroad, so a Minister for Moral Restraint Population expert Population theorist originally had useful stats on cereal Population-study pioneer Thomas —, English economist who authored 1798's An Essay on the Principle of Population