New Books in Science, Technology, and Society

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

Jan 22, 2026
In this engaging discussion, Michelle Henning, a Professor of Photography and Media at the University of Liverpool, delves into her book, exploring the intertwined histories of photography, chemistry, and empire. She reveals how coal and toxicities shaped photographic practices and cultural perceptions, particularly in foggy London. Henning examines how colonial photographers linked climate to race, while also connecting photography to military technologies and chemical warfare. Looking ahead, she shares her upcoming research on the environmental impacts of smartphone photography.
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INSIGHT

Photography Is Material And Industrial

  • Chemical photography's materiality matters: emulsions, dyes, and coal-derived chemicals shaped how photographs were made and seen.
  • Michelle Henning links photography's materials to empire, industry, and atmospheric sensitivity.
ANECDOTE

Factory Tour Reveals Film's Fragility

  • Henning recounts touring the Ilford/Harman factory and seeing extreme cleanliness and light control in emulsion coating rooms.
  • She emphasizes the materials' sensitivity to skin oil, metals, light, and ambient atmosphere.
INSIGHT

Photography As A Daughter Of Coal

  • Henning calls photography a 'daughter of coal' because coal and coal-tar chemistry underpinned dyes and photographic materials.
  • Coal-powered empires, steam transport, and coal-tar byproducts enabled global photographic industries.
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