Among the Victorians who contributed to British sociology were the novelist Harriet Martineau and a peculiar trio of Oxford students called the ‘Mumbo Jumbo club’. Martineau published an English ‘condensation’ of Auguste Comte’s Cours de philosophie positivisme (1830–42), which introduced sociology to English readers. While under the watchful eye of the Oxford don Richard Congreve, Mumbo Jumbo read Martineau’s study with great enthusiasm, and it shaped their course as first-generation sociologists. Using an intellectual history method, this essay argues that as the first female British sociologist, Martineau pioneered a feminist-intellectual approach to the discipline in such works as Society in America (1837). Meanwhile, on leavi...