Charles Turner. Charles Turner was an English mezzotint engraver and draughtsman who specialized in portraiture.
   He collaborated with J. M. W. Turner on the early plates of the same's Liber Studiorum. Turner was born at Woodstock in Oxfordshire.
   His father, also named Charles, was an excise officer, and his mother, Jane was a former paid companion to the Duchess of Marlborough at Blenheim Palace. Following his father's death, his mother returned to the Duchess's service, with the result that Turner had access to the gallery at the palace.
   He moved to London in about 1789, where he worked for John Boydell, a major print publisher, and enrolled in the Royal Academy Schools. He made his first mezzotint in 1795, working from a portrait of John Kirby, the keeper of Newgate, painted by his friend John James Masquerier, and immediately afterwards produced a stipple engraving after a portrait of Joshua Reynolds.
   Turner's biographer, Alfred Whitman, dismisses a tradition in the artist's family that he was apprenticed to George Jones, who was in fact younger than Turner, but suggests that he may have come under the influence of George Jones' father John Jones, who was a notable exponent both of mezzotint and stipple, without making any mention of any formal apprenticeship. In 1798 he was employed by the publisher Edward Orme to produce the first plates for his transparencies, a new type of varnished and
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