Ham House, Surrey. The Great Hall, with its original black and white marble floor. The ceiling was pierced c.1698-1728 to create the present hall and first-floor gallery. © National Trust Images/Bill Batten

Expertise Period: '17th – century portraiture'

Diana Dethloff

Role Lecturer and Academic Administrator Seventeenth-century British painting and patronage, University College London

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Dr Kim Sloan

Curator of British Drawings and Watercolours before 1880 and the Francis Finlay Curator of the Enlightenment Gallery

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