author
A practical early photography writer, he explained complex printing and lighting methods in clear, hands-on terms for working photographers and experimenters. His books open a window onto 19th-century photographic craft, from studio lighting to specialized reproduction processes.

by Peter C. Duchochois
Peter C. Duchochois was a 19th-century author on photography whose surviving books focus on the technical side of the medium. Project Gutenberg identifies him as P. C. (Peter C.) Duchochois, 1826?–, which suggests even basic biographical details are not firmly documented.
What can be confirmed is his work. He wrote Photographic Reproduction Processes, a practical treatise covering non-silver printing methods and related photographic techniques, and he is also credited with books including Lighting in Photography and Industrial Photography. The emphasis of these works is practical rather than literary: clear instruction, materials, processes, and results.
Because reliable personal information appears to be scarce, he is best understood through his books. They preserve a hands-on view of photography at a time when the field was rapidly developing, making his writing especially interesting for readers curious about historical photographic methods.