National Gallery Technical Bulletin: Volume 33

Ashok Roy is director of science; Helen Howard, Rachel Morrison, David Peggie, Marika Spring and Kate Stonor are members of the scientific department; Rachel Billinge, Britta New, and Hayley Tomlinson are members of the conservation department; Dillian Gordon was until 2010 curator of Italian paintings before 1460; Christopher Riopelle is curator of post-1800 paintings; Anne Robbins is assistant curator of post-1800 paintings; all at the National Gallery, London.