Cryptoanalyst alan turing. Prior to his writing career, he worked for the International Law firm clifford chance. He is currently a trustee of Bletchley Park and the turing trust. He serves as the Bletchley Park fellow of college in oxford. Last but certainly not least, he is a member of the honorary board here at the International Spy museum and he is a tremendous supporter of our educational efforts here at spy. So we are excited to have dermot here today to discuss how enigma was really broken with the cooperative efforts of poland, britain, and france. After the formal presentation, what we would like you to invite you to walk up to the mics on each side of the theater and go ahead and ask your questions. There will be plenty of time to ask your questions and get them answered. Please join me in giving a warm welcome to dermot turing. Thank you. [ applause ] many thanks, chris. And to all of you for coming and for the welcome. Just before i start, id just like to say to chris and t