METROPOLITAN MUSEUM OF ART / SCIENCE PHOTO LIBRARY METROPOLITAN MUSEUM OF ART / SCIENCE PHOTO LIBRARY
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Thereza Dillwyn Llewelyn (1834-1926), Welsh scientist and photography pioneer. Llewelyn's father (who took this photograph) was the botanist John Dillwyn Llewelyn. Here, aged around 20 in around 1854, Thereza is using a microscope to study botanical specimens. This image is a salted paper print from a glass negative. The border is a photogram of ferns. Thereza worked in many areas, including photography, astronomy and chemistry.
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