Rollo Campbell is Director of the Frestonian Gallery, London. David Queensberry was Professor of Ceramics at the Royal College of Art from 1959-83 and is a Fellow of the Chartered Society of Designers. Lucy Abel Smith is an art historian and Fellow of the Society of Antiquities. Abel Smith lectures and writes on a wide range of subjects mainly specialising in the history of the Balkans and Eastern Europe. Michael Boylen was a fellow student with Sam Herman at the University of Wisconsin and went on to become a well-known ceramic and glass artist. Mark Hill is an author, publisher, TV presenter, and a leading dealer in twentieth-century decorative glass. Greg Votolato is a lecturer in the Learning Department at the Victoria & Albert Museum. His books include American Design in the Twentieth Century (1998). Michael Regan is an art curator and exhibition organiser having worked for a number of institutions including the Victoria & Albert Museum and the Whitworth Art Gallery, Manchester.