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 Theme: 'Image copyright'

Bernard Horrocks

Copyright Officer, National Portrait Gallery, London

Teresa Doherty

Teresa Doherty

Archives and Information Services Manager, Library, Archives and Information Services Royal College of Nursing.