A biography of Frank Debenham (1883-1965). Born in Australia, Debenham accompanied Scott as a geologist on the Terra Nova expedition (1911-1913). Returning to England after the expedition, Debenham entered Cambridge to write up his expedition notes. After the First World War in which he was seriously wounded, he returned to Cambridge as a fellow of Gonville and Caius College and lecturer of cartography. He became Professor of Geography in 1931 and in 1920 co-founded the Scott Polar Research Institute. A list of Debenham's publications and a bibliography are included.