Michelle Henning, "A Dirty History of Photography: Chemistry, Fog, and Empire" (U Chicago Press, 2026)

In A Dirty History of Photography: Chemistry, Fog, and Empire (U Chicago Press, 2026), Professor Michelle Henning presents an environmental history of chemical photography through the lens of its deep connections to empire and industry.

Dependent on the extractive practices of fossil-fueled industrial capitalism, chemical photography’s emulsions and films were highly sensitive to polluted atmospheres, and photographic companies had to work hard to control this sensitivity. Drawing on histories of empire, coal, and chemistry and from the archives of British photographic manufacturer Ilford Limited, Professor Henning exposes the ways photography shaped how we see and understand the atmos...