Why Famous:William Henry Fox Talbolt is known for inventing an early photographic developing technique, the calotype process in 1841.
Talbot patented his process and his costs in licencing this caused some controversy. Talbot was accused of stifling photography in Britain and 1852 removed costs for amateurs before a lawsuit in 1854 convinced him not to renew his patent.
In 1844-46 Talbot published "The Pencil of Nature" the first commercially published book to be illustrated with photographs.
Alfred Stieglitz
Annie Leibovitz
Henri Cartier-Bresson
Linda McCartney
Louis-Jacques Daguerre
Robert Capa