Thomas Robert Malthus
Francesco Saverio Nitti, (1868–1953) was an economist and political figure. A Radical, he served as the prime minister of Italy between 1919 and 1920. According to the Catholic Encyclopedia ("Theories of Overpopulation"), Nitti ("Population and the Social System", 1894) was a staunch critic of English economist Thomas Robert Malthus and his Principle of Population.