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Walker, Robert (c. 1709–1761), printer and distributor of patent medicines, details of whose parentage and upbringing remain the subject of speculation, was a prolific entrepreneur in print based in London, who was probably apprenticed through the Stationers' Company. Two entries under this name appear in the registers. The first, a Scot, was apprenticed to a writing master in 1699 and freed in 1706. The second, and more likely candidate, was the son of ...