R.I.P., John #Croft [°Jan. 6, 1923 – Jul. 12, 2026]🕯️🫡🌹

#centenarian #cryptography #codebreaker #BletchleyPark #Colossuscomputer #MaxNewman #LorenzCipher #Schlüsselzusatz #KimPhilby #RalphTester #JohnTiltman #BillTutte #AngusWilson #RonaldPhillips #Cohen #DorisPhillips #IvorJohnCroft #JohnCroft