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Faces and Photography in 19th-Century Visual Science
1Psychology, University of Dundee, UK n.j.wade@dundee.ac.uk.
Perception
|May 6, 2016
Summary
The scientific study of faces, including identity, character, and expression, was transformed by 19th-century photography. This technology enabled precise documentation and analysis of facial features and emotions, advancing face perception research.
Area of Science:
- Psychology
- History of Science
- Forensic Science
Background:
- Humanity has long interpreted faces for identity, character, and emotion.
- Early attempts involved graphic representations by physiognomists from the 16th century.
- Charles Darwin differentiated between static features (physiognomy) and dynamic expressions (emotions).
Observation:
- Artistic representations of faces predate scientific methods.
- The 19th century marked a revolution with the advent of photography.
- Photography allowed scientists to capture and analyze fleeting facial expressions and details imperceptible to the naked eye.
Findings:
- Photography enabled stereoscopic portraiture (Wheatstone).
- It facilitated the scientific study of facial expressions (Duchenne).
- Photography advanced the study of facial identity (Galton, Bertillon).
- Composite photography (Galton) offered new methods for face perception research.
- The photochemical process of photography inspired models for retinal light action (Kühne).
Implications:
- Photography provided objective, reproducible data for face studies.
- These technological advancements opened new avenues for understanding human perception and identification.
- The foundational ideas initiated by these photographic applications continue to influence contemporary research.
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