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1. Entomology as a written science probably originated with the ancient Greeks; Aristotle being regarded as the first published entomologist. It was, however, not until the Renaissance and the invention of the microscope that any further advances were made. The formation of national entomological societies in the early and mid-19th century heralded the blossoming of entomology as a scientific discipline. 2. The role of entomology in the development of ecology as a science is often overlooked, but important concepts in ecology such as the role and types of mimicry, the theoretical development of population dynamics and island biogeography all have their roots in the pioneering work of entomologists. 3. Insect products have long played a part in the economies of human civilizations stretching back several thousand years from the development of the silk industry in China to modern day uses of the excretory products of Hemiptera such as cochineal and shellac. 4. The study of entomology has had indirect applications in human medicine and genetics, such as the development of cryostorage techniques based on an understanding of the freeze-avoidance strategies of Antarctic insects to the direct use of Dipteran larvae in maggot debridement therapy. 5. Insects and their products have been used as sources of food by humans since before written records existed, the use of honey for example, being recorded in pre-historic cave drawings. Insects as recognisable entities such as lepidopteran larvae and adult locusts, play a significant role in the diets of some cultures, but increasingly, the idea that processed insect material can be used as mainstream human and livestock food is gaining ground with a number of commercial enterprises being formed. 6. Culturally insects have long inspired humans, from ancient Egypt and their veneration of scarab beetles, portrayal of insects in ancient Mesoamerican art, in European painting from the medieval period onwards and in literature, poetry, and the performing arts including cinema and music. Although the depiction of insects has not always been positive, it is undeniable that they have had a marked influence on human culture. 7. Insects have also influenced engineers, with their form and function inspiring the development of airless tyres, desert water collection devices and unmanned aerial vehicles.