Bruce Clarkson Rennie was born in Perth, Western Australia, in 1904, and educated at the Waitaki Boys' High School and the University of Otago Medical School where he graduated in 1925. He was appointed house surgeon and resident surgical officer at the Wanganui Hospital, and subsequently came to England where he worked at Queen Mary's Hospital, the Royal National Orthopaedic Hospital, and All Saints' Hospital in London and obtained the Conjoint Board Diploma in 1930 and the FRCS in 1931. On his return to New Zealand Rennie specialized in urological surgery, later became an examiner in urology in the Royal Australasian College of Surgeons, and served on the Editorial Committee of the *British journal of urology*. He contributed a paper on "Prostatic obstruction" to the *New Zealand medical journal*. In his leisure time Rennie became a member of the Committee of the Wellington Racing Club. In 1929 he married Inez Austin, and he died on 3 July 1978.