LONDON.- The first retrospective exhibition of work by Camille Silvy, one of the greatest French photographers of the nineteenth century, will open at the National Portrait Gallery this summer. Marking the centenary of Silvys death, Camille Silvy, Photographer of Modern Life, 1834 1910, includes over a hundred objects, many of which have not been exhibited since 1860. The portraits on display offer a unique glimpse into nineteenth-century Paris and Victorian London through the eyes of one of photographys greatest innovators. Focusing on Silvys ten-year creative burst from 1857-67 when he was working in Algiers, rural France , Paris and London , the exhibition will show how Silvy pioneered many branches of the photographic medium including theatre, fashion, military and street photography. Working under the patronage of Queen Victoria , Silvy photographed royalty, statesmen, aristocrats, celebrities,