Hi: The now very well-known photograph of two Wrens operating Colossus at Bletchley Park, one of the small set of photographs that were released by the UK Government in October 1975 after pressure from me (and no doubt others) is the subject of a very interesting, indeed delightful, news release from The National Museum of Computing, at: http://www.tnmoc.org/news/notes-museum/wrens-meet-70-years Cheers Brian Randell — School of Computing, Newcastle University, 1 Science Square, Newcastle upon Tyne, NE4 5TG EMAIL = Brian.Randell@ncl.ac.uk<mailto:Brian.Randell@ncl.ac.uk> PHONE = +44 191 208 7923 URL = http://www.ncl.ac.uk/computing/people/profile/brianrandell.html