Hugh C. Robertson dating history

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Hugh C. Robertson (1845–1908) was the first American studio potter who experimented with new ceramic glazes. Born in England, Robertson apprenticed at the Jersey City Potter in 1860. In 1868, he started work in his father's shop that had opened in 1866 in Chelsea, Massachusetts. In 1872 the factory was incorporated into the Chelsea Keramic Art Works (CKAW). The company became known for their antique Grecian terra cotta and Pompeian bronzes. In 1877, Robertson developed the Chelsea faience, underglazed opaque earthenware, which led the development of other American faience. There in 1884, Robertson worked on discovering the famous Chinese sang de boeuf glaze. In 1888, he finally discovered the recipe for the glaze and produced three hundred pieces of what he dubbed, Sang de Chelsea.