Gordon Hull is an amateur naturalist with a keen interest in primates and certain other mammals. He has specialised in the study of gorillas over many years, during which time he h...view moreGordon Hull is an amateur naturalist with a keen interest in primates and certain other mammals. He has specialised in the study of gorillas over many years, during which time he has amassed a great deal of technical and historical information about specimens in zoos, museums, and other institutions throughout the world.view less