We are delighted to invite you to take part in Jerry McCarthy’s virtual talk which will take place on 30th November 2020 on the subject of the Polish Cryptomachine the LACIDA.

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 will start 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 will then move on to a Polish designed machine, the LACIDA, which has some similarities to Enigma but also some major differences. The two machines will be compared and contrasted and their relative advantages and disadvantages will be discussed.

The speaker will then demonstrate his software simulation; this will be followed by a Q&A session.

PLEASE NOTE: Participants will be sent the link to the virtual talk no later than two days before the event.