CRAIG HARBISON
Craig Harbison is professor of art history at the University of Massachusetts, Amherst. He has a special interest in the Northern Renaissance, in particular the art of Flanders, the Netherlands, France, and Germany in the fifteenth and sixteenth centuries.

EVELYN WELCH
Evelyn Welch is reader in the School of European Studies at the University of Sussex. Her current research interests include the role of women in the Renaissance and issues of Renaissance consumption.

MARTIN KEMP
Martin Kemp is professor of the history of art at Oxford University. Author of Leonardo da Vinci. The Marvellous works of man and nature and numerous studies of the relationships between representations in art and science, he is a regular contributor to 'Nature' and curated a major exhibition, 'Know Thyself' on the art and science of the human body for the Hayward Gallery in October 2000.

JACQUES PAVIOT
Jacques Paviot is professor of history at the Sorbonne in Paris. Since discovering a mention of the Arnolfini Marriage in the Lille archives he has developed a new research interest in van Eyck and the Arnolfini painting.