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Thereza Llewelyn [Attributed to]
Portrait of John Dillwyn Llewelyn
Collodion negatve / calotype print
Private collection of Noel Chanan
It is not certain who took this portrait but it is unlikely to have been a self-portrait. Thereza, the eldest daughter of John Dillwyn Llewelyn, had an interest in shared science and it is possible that she took it but this is uncertain.
In this photograph the setup is identical with that in the image of Llewelyn's daughter, Thereza, held by the library at Swansea Museum (SWASM:SM1987.845.53). It shows the same microscope with the same botanical specimens in front of the same books. Since the image of Thereza is larger than that of Llewelyn, we may reasonably suppose that he photographed her with his large format camera, and at the same session, she photographed him with her small format camera. Thereza notes in her diaries that everyone in the family had their own cameras.
[Pers. comm. Noel Chanan, 18th April 2010]