Science of Secrecy



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Claire Ellis


Claire's biggest secret is that she isn't a mathematician. With a first degree in Human Genetics, her background is in cracking codes of a more biological kind. She was working as an 'explainer' at the Science Museum in London when she was approached by Simon Singh to start the Enigma Project. The Project takes Simon's WW2 Enigma cipher machine into schools to engage young people with maths, science and history. Stories of how codes have been cracked throughout history demonstrate that maths is useful in real life and that (shock, horror) mathematicians can be heroes too. Claire has previously spent a month at Scienceworks Museum in Melbourne, and a year at a school in Adelaide and has visited every state and territory in Australia.

Dr Suelette Dreyfus


Dr Suelette Dreyfus is an author and technology journalist. She wrote "Underground: Tales of Hacking, Madness and Obsession on the Electronic Frontier", the first mainstream book about computer hacking in Australia. She released a free-text, chapter by chapter version on the Net and to date there have been more than 300,000 downloads. Suelette was associate producer of the documentary "In the Realm of the Hackers", shown at the Sydney and Perth Film festivals and shown on ABC TV. Her articles have appeared in The Independent (London), The Australian, The Sydney Morning Herald and The Age, as well as numerous magazines. Suelette was a general news reporter on The Herald-Sun before doing her PhD and moving into technology writing.

Professor Bill Caelli


Bill is the Head of the School of Software Engineering and Data Communications at the Queensland University of Technology (QUT). He founded and co-leads the cyber law and policy research group in the Information Security Research Centre (ISRC). He has 40 years of experience in the IT industry, much of it involved with information security and cryptography. He founded ERACOM Pty Ltd in 1979, a company that develops and markets advanced, integrated cryptographic systems and information security products around the world, having started with the creation of high performance micro-computer systems based upon the Stanford University Network (SUN) workstation architecture. He worked with both Hewlett-Packard and Control Data Corporation in the 1970s both in Australia and in the USA. He is a Fellow of the Australian Computer Society and the Institute for Combinatorics as well as being a Senior Member of the IEEE, and has won several awards. Computerworld Australia nominated Bill as a “Computer Pioneer”, and he was made an AO this year. Bill also enjoys playing old, upright pianos - mainly in seedy bars.

Dr Tim Cranny


Tim obtained a PhD in mathematics at the age of 24, and worked for the next eight years in research areas as diverse as emergent computation, artificial intelligence, and genetic algorithms, but primarily on a particularly obscure corner of pure mathematics1. He woke up one morning and realised that there were only ten people in the world who knew or cared what he was doing, and nine of them were a lot smarter than he was. At that point the only thing holding him in place was the prestige and wealth that come with being an Australian academic. Approximately an hour later he left academia forever and joined 90East, a provider of managed security services to the government and private sectors. At 90East Tim has been heavily involved in research and development, specifically in the areas of cryptography and security architecture. Much of his time is spent working not inside the area of cryptography, but on the question of how to use cryptography, how to properly incorporate this very important, but partial, solution into the broader package of solutions that organisations need to protect their information and infrastructure.

1 existence, uniqueness, and regularity theorems for viscosity solutions of fully-nonlinear elliptic second-order partial differential equations. You did ask...


Tonight’s live music-
Special treat! Leader of award winning group 'Wanderlust', Miroslav Bukovsky

(trumpet and flugelhorn) is performing with his trio at Cafe Scientific this evening.









Cafe Scientific, based on the UK's Cafe Scientifique, is a forum for the discussion and debate of current issues in science. Informal and accessible to all, Cafe Scientific engages everyone in dialogue, hypothetical and discussions with scientists, experts and non-experts alike.

The first ‘Cafe Scientifique’ sessions were held in the UK in Leeds in 1998. Since then, they have sprung up in Newcastle, Nottingham and Oxford and the network has now begun to expand to other cities in the UK, the USA, Canada and even Egypt. When the event came to Australia, the name Cafe Scientific was adopted.

The sessions are entirely different from the usual talks and seminars given at universities and institutions. Instead of one person lecturing others, Cafe Scientific is designed for group discussion. The event usually features a host and a range of different speakers, but the debate is always open for the audience to join in at any time.

You are welcome to join the discussion. If you want to make a comment, ask a question or suggest an answer - just wave or yell for the microphone. We're recording the session so we want all the questions and comments included. It isn't necessarily going to air - there would be editing before hand anyway - so if you say something REALLY silly - let us know if something should be edited out!



Cafe Scientific is proudly supported by ABC Science, British Council Australia and New Scientist Magazine.

Cafe Scientific will be held at various locations throughout Australia during 2003, see www.cafescientific.com.au for details.




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