 A few months later, Illingworth delivered the Lister Lecture of the Canadian Medical Association in Vancouver, Canada, on 24 June 1964, under the title 'Wound Sepsis—From Carbolic Acid to Hyperbaric Oxygen'.As a recognised elder statesman of his profession, more honorary fellowships followed.One such had been conferred earlier in the year when Illingworth was made an Honorary Fellow of the Royal College of Surgeons in Ireland, together with two other surgeons