Check out San Francisco-based photographer O'Brien's portfolio, including his photo essays of his two trips to India in 2001. Contact him for a shoot.

Browse the museum's collection of prints by this U.S. Civil War-era photographer. Each print is accompanied by explanatory notes.

View a trio of prints by this master of the carbro-color process. Each image is accompanied by explanatory notes.

View the stark, contrasty landscape images of this French photographer, a read a brief description about his approach to the medium.

Check the galleries of black-and-white, color, and gumprint photographs taken by this amateur photographer.

Review a profile of the American civil engineer-turned-daguerreotypist. View two works held in the Getty collection.