• Gerald Hawkins' work on Stonehenge was first published in Nature in 1963 following analyses he had carried out using the Harvard-Smithsonian IBM computer.
  • Official account of Stonehenge in Wiltshire, managed by English Heritage. Stonehenge is open 9.30-7 every day.
  • Stonehenge is a prehistoric monument consisting of rings of vertical standing stones, some topped by connecting horizontal lintel stones. It is one of the most famous...