PAUL D STEWART / SCIENCE PHOTO LIBRARY PAUL D STEWART / SCIENCE PHOTO LIBRARY
Heliotype illustration of expressions from 'The Expression of the Emotions in Man and Animals' by Charles Darwin, 1872. This was one of the first books to be illustrated with photographs â with seven heliotype plates. The publisher John Murray warned that photographs "would poke a terrible hole in the profits" and so the heliotype was chosen as a photomechanical process that could reproduce photographs direct on the page (without mounting actual photographs). He used the photographs of others and here Oscar Rejlander (1813-1875) has taken photographs of himself (2, 3, 4) in exagerrated emotional poses (indignant, resigned, etc).
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