John Iliffe arrived in Tanganyika in 1965 as a young PhD researcher and never really left — not intellectually. Over the next four decades he produced ten books that collectively made the case that African history was not a story waiting to be told by outsiders, but one that had been generating its own evidence, its own moral frameworks, and its own complexity for millennia. The discipline of African historiography looks the way it does in large part because of choices Iliffe made early and held to late. His method was archival and oral simultaneously. He worked in German, French, and English, moving from missionary correspondence to government documents to interviews with Africans themselves. His 1,046-page PhD dissertation on Tanganyika under German rule was so long that Cambridge subsequently capped doctoral theses at 80,000 words — a detail that says something about his appetite for evidence and his impatience with compression when compression would distort. The two books that emerged from that period, Tanganyika Under German Rule (1969) and A Modern History of Tanganyika (1979), established his foundational commitment: start with the testimony of Africans. The African Poor: A History (1987) is probably the work for which he deserves to be most widely read outside the academy. Its central argument is not charitable. Iliffe refuses to treat poverty as a statistical condition or a development-economics problem. People excluded from productive resources in land-rich economies are not passive — they struggle, they resist, they change the social structures around them. The book runs from 13th-century Ethiopia to early-1980s South Africa and won the African Studies Association's Herskovits Prize. It is historiography that reads like moral philosophy. Honour in African History (2005) extended this framework upward through the social register — into kingship states and decentralised societies alike — finding in both what European historians had called chivalry: a set of norms about courage, household maintenance, and community obligation that operated at every level from warrior elite to smallholder. Iliffe was not romanticising. He was making a structural argument: these forms of honour were legible, transmissible, and consequential, and you cannot understand African political history without them. The African Aids Epidemic: A History (2006) is where the honour framework does its hardest work. Iliffe's explanation for why HIV/AIDS devastated sub-Saharan Africa more than anywhere else begins with an epidemiological fact — the disease established itself in the general population before anyone knew it existed — and then moves into cultural psychology. Shame, the loss of social face, the refusal to be publicly diagnosed: these were not ignorance or stubbornness, as many Western commentators implied. They were the shadow side of honour systems that had real coherence and real history. The Thabo Mbeki denialism episode, which Iliffe traces to around 330,000 unnecessary deaths in South Africa, is placed in that tradition — a catastrophic expression of a logic that was, in its own terms, internally consistent. African history as a discipline had been making the case for its own legitimacy since the 1960s. Iliffe did not just argue for that legitimacy — he demonstrated it, book by book, archive by archive. The PhD researchers he supervised at Cambridge described a supervisor of unusual rigour and genuine care, which is a rarer combination than it should be. He was elected a Fellow of the British Academy in 1989, appointed professor of African history at Cambridge in 1990, and continued writing and revising after his 2006 retirement. His final book, on Olusegun Obasanjo and Nigeria's relationship with the world, appeared in 2011. He was, his obituarist notes, never a theoretician. That is a precise description of a particular scholarly type — the fieldworker who distrusts abstraction not from anti-intellectualism but from a commitment to the specific case, the named person, the dateable event. His work was regarded internationally as a model of engaged research. The engaged part is the key word. Engagement implies that the historian believes the subject has stakes — that the story matters beyond the seminar room. Iliffe clearly did, and the work shows it on every page.