CHARLOTTE GERE is a London-based expert in 19th-century decorative arts, and particularly in jewelry. She has written a number of books, including Abrams' Nineteenth-Century Design. MARINA VAIZEY was educated at Cambridge and Harvard universities. She has been an art critic at The Sunday Times (London) for 18 years and serves as a trustee of several museums. Vaizey has curated a number of exhibitions and written many exhibition catalogues.