Hi: Now on YouTube: Andy Clark: Lorenz, Colossus and the Dream of a Universal Machine for Cryptanalysis A talk by Andy Clark of TNMOC and Royal Holloway at the "ENIGMA – Precursor of the Digital Civilization" conference organized by the Foundation for Polish-German Cooperation on 10 November 2015 in Warsaw. https://www.youtube.com/watch?v=VnzjPmNDom4 Cheers Brian Randell -- School of Computing Science, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK EMAIL = Brian.Randell@ncl.ac.uk PHONE = +44 191 208 7923 FAX = +44 191 208 8232 URL = http://www.cs.ncl.ac.uk/people/brian.randell