and that of the Keighley twins were very different, in terms of the families involved and the outcome of the medical interventions. These stories became inextricably linked, however, through the involvement of Professor Ian Aird, Head of Surgery at London\'s Hammersmith Hospital. Aird led the surgical team that performed the operation on the Kano twins and, although he was not directly involved in the second operation, he had personal connections with the family. Aird became a key player in the controversy which developed over press activity surrounding the two cases; much of the available documentary evidence concerning these events is contained in the several accounts he produced. He sent a report detailing press intrusion to the Central Ethical Committee (CEC) of the British Medical Association (BMA); he tookborn in Keighley, West Yorkshire. These twin girls were at the opposite end of the social spectrum from the Kano twins. Born into a family with strong medical connections, the twins left Yorkshire for London, and surgery, within a month of their birth, just as the press got wind of their existence. In this case the parents and the doctors demanded and expected complete anonymity, entering into elaborate ruses to conceal the whereabouts of the children. The brother of the twins\' father was a Harley Street surgeon and close friend of Aird. Initially the twins were brought to Harley Street for examination where arrangements were made, on Aird\'s suggestion, for Geoffrey Knight, a neurosurgeon at Brook Hospital, Woolwich, to attempt separation. The press descended on Harley Street and