found: Oxford Dictionary of National Biography (WWW), July 30, 2015:under Walker, Sir Emery, 1851-1933 (process engraver and typographer; born at 10 Pickering Terrace, Paddington, Middlesex [London] on 2 April 1851; in 1886, in partnership with Walter Boutall, founded the firm of "process and general engravers, draughtsmen, map-constructors, and photographers of works of art" known first as Walker and Boutall, later as Walker and Cockerell, and finally as Emery Walker, Ltd.; in 1888, with William Morris, Walter Crane and others, founded the Arts and Crafts Exhibition Society; in 1891, with Morris, established the Kelmscott Press; he "declined to be a partner in this costly enterprise ... Nevertheless, he was all the while a virtual partner, and no important step was taken without his advice and approval"; in 1900, in partnership with T.J. Cobden-Sanderson, he founded the Doves Press; partnership severed in 1909; died at his home, 7 Hammersmith Terrace [London], on 22 July 1933) under Cockerell, Sir Sydney Carlyle, 1867-1962 (went into partnership with Emery Walker, with whom he worked in Walker's process engraving business, 1900-1904)
