James Clerk Maxwell (1831–1879), Cavendish Professor (1871–1879), and His Wife, Katherine Mary Clerk Maxwell, née Dewar (1824–1886)

Jemima Blackburn (née Wedderburn) (1823-1909), attributed

1833-1857

Oil canvas

92.1 x 68.3 cm.

Courtesy of the Cavendish Laboratory, University of Cambridge, No. 9

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