Propelled by an early vision to help others, Dr Abba Mallum tells Spotlight about his roots in Borno State, about opportunities in Stellenbosch and Durban, and about his pioneering PhD in radiotherapy and oncology. In Borno State, Nigeria, soon after graduating from medical school Dr Abba Mallum treated a young patient whose sad plight would shape his future. In Gamboru Ngala, on northeastern Nige...