Uploaded December 2020 | Updated September 2026, 1 day ago
Jerry McCarthy is a Volunteer Docent at The National Museum of Computing (TNMOC), Bletchley and an occasional speaker at the Piłsudski Institute, Hammersmith, London.
The talk starts with a brief description of the German 3-rotor Enigma and a summary of the various methods which Polish mathematicians and engineers created to decode messages sent by Enigma.
The talk the moves on to a Polish designed machine, the LACIDA, which has some similarities to Enigma but also some major differences. The two machines are compared and contrasted and their relative advantages and disadvantages discussed.
The speaker then demonstrates his software simulation; this is followed by a Q&A session.
Jerry McCarthy is a Volunteer Docent at The National Museum of Computing (TNMOC), Bletchley and an occasional speaker at the Piłsudski Institute, Hammersmith, London.
The talk starts with a brief description of the German 3-rotor Enigma and a summary of the various methods which Polish mathematicians and engineers created to decode messages sent by Enigma.
The talk the moves on to a Polish designed machine, the LACIDA, which has some similarities to Enigma but also some major differences. The two machines are compared and contrasted and their relative advantages and disadvantages discussed.
The speaker then demonstrates his software simulation; this is followed by a Q&A session.
