Osbert Guy Stanhope Crawford was a British archaeologist who specialised in the archaeology of prehistoric Britain and Sudan. A keen proponent of aerial archaeology, he spent most of his career as the archaeological officer of the Ordnance Survey (OS) and also wrote a range of books on archaeological subjects.
O. G. S. Crawford
Crawford developed a love of archaeology through visiting sites like Stonehenge
Keble College, Oxford
The Avenue at Stonehenge looking NEE towards Old and New King Barrows
Aerial archaeology is the study of archaeological remains by examining them from a higher altitude. In present day, this is usually achieved by satellite images or through the use of drones.
Aerial archaeological photograph of the "Nazca monkey" in Peru
Aerial photograph of Barzan, showing the archaeological traces of a neolithic and later, the Gallo-Roman city of Novioregum
Diagram showing shadows and highlights from the sun, as would be seen from above, falling on a mild bank and a steep bank. (Diagram prepared by author)
Cropmarks at a protohistoric site at Grézac, France