over two months and no further typhoid cases were admitted to the hospital after the source was discovered. Conn's systematic investigation stopped a typhoid outbreak in Edinburgh, as locals ceased drinking from the Water of Leith and the river was cleaned. Subsequent actions were taken to further clean the rivers in Leith, such as the "Operation Riverbank" in 1983. Publications N.K. Conn et al. (1959) Systemic candidiasis and endocarditis due to C. tropicalis. British Medical Journal, 1:944-947. doi: 10.1136/bmj.1.5127.944 N.K. Conn (1969) Coliform bacteraemia in infants. Scottish Medical Journal, 14: 23-28 doi:10.1177/003693306901400104 N.K. Conn (1970) A study of some of the methods of urinary collection in children. Journal of Clinical Pathology, 23: 81-84 doi: 10.1136/jcp.23.1.81 N.K. Conn and R.J. Farrand (1970) Shellfish Toxicity in Scotland, 1969. Scottish Medical Journal, 15: 169-171 doi: 10.1177/003693307001500502 N.K. Conn et al. (1972) Water-borne typhoid fever caused by an unusual Vi-phage type in Edinburgh. Journal of Hygiene'', 70: 245-253 doi:10.1017/s0022172400022300 References 1919 births 2013 deaths People educated at the High School of Dundee Alumni of the University of St Andrews Scottish bacteriologists Scottish women scientists