In 1967 Dr Bryan Cremin arrived in South Africa to head the Department of Diagnostic Radiology at the Red Cross Children's Hospital, and became the first specialist paediatric ra- diologist on the faculty ofthe UniversityofCape Town. Now, in 1994, Professor Cremin is in- ternationally recognised, and, just before his retirement, has, with the support of his colleagues, summarised his 27 years ofexperience oftuberculosis in southern Africa. Tuberculosis is an extraordinary infection - ancient, gaining a sinister reputation and at times occurring in disastrous epidemics. By affecting both...