Karl Pearson Papers Papers, 1840-1972, of and relating to Karl Pearson, comprising personal and family papers, 1844-1937; lectures and lecture notes, 1874-1972; papers relating to literary and scientific work [1870]-1936; papers relating to the history of the Department of Applied Statistics, University College London, 1895-1936; papers relating to the work of the Department of Statistics and of Pearson's colleagues, 1895-1962; papers relating to the journal 'Biometrika', 1900-1954; papers relating to Pearson's 'The life, letters and labours of Francis Galton', 1840-1931; papers relating to Pearson's wartime research (1914-1918), 1905-1923; acquired papers, 1842-1923; general correspondence [1843-1972]. The collection also includes papers of Walter Frank Raphael Weldon (Jodrell Professor of Zoology and Comparative Anatomy at University College London), 1860-1935. 1840-1972