The Wikipedia Free Encyclopedia - LEO entry
Decision Support Systems Resources A US based historical archive with a database profiling pioneers in the field of Decision Support Systems (DSS). Leo pioneers David Caminer and Frank Land have recently been added.
The National Museum of Computing. Recently re-vamped website: - well worth a visit!
The EDSAC computer simulator The Edsac simulator is a faithful software evocation of the EDSAC computer as it existed in 1949-51.
Frank Skinner's web-site and memories of his Leo activities. (LEO 1961 to 1975) Includes the Daily Mail "Lament for Leo"
David Lawrence's web-site. Memories of J. Lyons and 26 years employed in Teashops and Lyons Bakery
The Computer Conservation Society (CCS) The CCS is a joint venture between the British Computer Society, the Science Museum and the Museum of Science and Industry in Manchester.
The ICL Archive at the Science Museum Library This is an index of the archive of ICL material held in the Science Museum Library. This index is maintained by the Computer Conservation Society.
Shell Mex And BP Computer Centres A site dedicated to those employees of Shell Mex and BP Limited who were involved in the development, operation and support of Computing Services on the Leo computers at Hemel Hempstead and Wythenshawe.
National Archive for the History of Computing (NAHC) The UK National Archive for the History of Computing
The IT History Site (ITHS) "To enhance and expand works concerning the history of Information Technology..."
The Science Museum Bringing science to life, and life to science...
The ICT 1301 Resurrection Project. Restoration of a working 1301