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Samuel Clement Bradford

Samuel Clement Bradford (10 January 1878 in London – 13 November 1948) was a British mathematician, librarian and documentalist at the Science Museum in London. The "Law of scattering" or popularly known as Bradford's law is a pattern first described by Samuel C. Bradford in 1934 that estimates the exponentially diminishing returns of extending a search for references in science journals. One formulation is that if journals in a field are sorted by number of articles into three groups, each with about one-third of all articles, then the number of journals in each group will be proportional to 1:n:n².
Popular Books of Samuel Clement Bradford includes - Sources of Information on Specific Subjects (1934); Documentation, 1948.