Martin Laroche [William Henry Silvester] (1814-1886)
PORTRAIT OF A GENTLEMAN, c.1850s, quarter plate, gently hand coloured daguerreotype, in a plain gilt mat with oval aperture and photographers stamp and Oxford Street Address in low margin, housed in a side-hinged maroon leather case.
Martin Laroche was an early English professional photographer who successfully challenged William Fox Talbot's patent on the calotype and effected a liberalisation in professional practice, research and development that catalysed the development of photography in the nineteenth century.
Wood, R. D. (1975). The Calotype Patent Lawsuit of Talbot v. Laroche 1854. Bromley, Kent: privately published. ISBN 0-9504377-0-0.
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