on successive developments. In an 1875 paper, he discussed a nowhere-dense set of positive measure on the real line, an early version of the Cantor set, now known as the Smith–Volterra–Cantor set. Publications . See also Smith–Volterra–Cantor set Notes References J.T.Fleron, "A Note on the History of the Cantor Set and Cantor Function", Math Magazine, Vol 67, No. 2, April 1994, 136–140. H.J.S. Smith: "On the Integration of Discontinuous Functions", Proceedings London Mathematical Society, (1875) 140–153. K. Hannabuss, "Forgotten fractals", The Mathematical Intelligencer, 18 (3) (1996), 28–31. . An article on the history of measure theory, analyzing deeply and comprehensively every early contribution to the field, starting from Riemann's work and going to the works of Hermann Hankel, Gaston Darboux, Giulio Ascoli, Henry John Stephen Smith, Ulisse Dini, Vito Volterra, Paul David Gustav du Bois-Reymond and Carl Gustav Axel Harnack. Further reading (complete text at Project Gutenberg) External links The grave of Henry John Stephen Smith and his sister Eleanor in St Sepulchre's Cemetery, Oxford, with biography Henry John Stephen Smith at Wikiquote 1826 births 1883 deaths People from County Dublin People educated at Rugby School Alumni of Balliol College, Oxford 19th-century British mathematicians Number theorists Presidents of the Oxford Union Savilian Professors of Geometry Fellows of Balliol College, Oxford Fellows of Corpus Christi College, Oxford Directors of museums in the United Kingdom Fellows of the Royal Society Presidents of the London Mathematical Society 19th-century British businesspeople Burials at St Sepulchre's Cemetery