JULY8/92023MAGAZINEOFTHEYEARThere’ssomethingaboutMary’scipherHowthreeamateurscrackedaqueen’s445-year-oldsecretcode3FT.COM/MAGAZINEJULY8/92023ONTHECOVERDetailfrom‘MaryQueenOfScots’ByFrançoisClouet@FTMagMarginaliabyNadineRedlichJuly8/92023Issuenumber1,030•Onlineft.com/magazine•FTWeekendMagazineisprintedbytheWalsteadGroupintheUKandpublishedbyTheFinancialTimesLtd,BrackenHouse,1FridayStreet,LondonEC4M9BT©TheFinancialTimesLtd2023NopartofthismagazinemaybereproducedinanyformwithoutthepriorexpresspermissionofthepublisherPublishing:IsaacPeltz,commercialproductexecutive–isaac.peltz@ft.com;SadiaChoudhury,advertisingsalesco-ordinator,sadia.choudhury@ft.com.P...