Identify scholar, who voiced his concern about the growing scarcity of resources as compared to the human population ?

Griffith Taylor Robert Malthus Ratzel Karl Marx

Robert Malthus

Thomas Malthus in his theory (1798) stated that the number of people would increase faster than the food supply. Any further increase would result in a population crash caused by famine, disease and war. The preventive checks are better than the physical checks. For the sustainability of our resources, the world will have to control the rapid population increase.