David Pegler retired in 1998 as Head of Mycology at the Royal Botanic Gardens, Kew. His taxonomic research has specialized in tropical and temperate Basidiomycetes, for which he received a Science Research Council individual merit promotion, and he has published 16 books and over 300 scientific papers. He is a Fellow of the Linnean Society, London, of the Norwegian Academy of Science and Letters, and Centenary Fellow of the British Mycological Society. He has held visiting professorships at the Institute of Terrestrial Ecology, Lodz, Poland, the Instituto do Botanica, Sao Paulo, Brazil, and the University of Jilin, China.David Freedberg is Professor in the History of Art at Columbia University, New York, and Director of the Italian Academy for Advanced Studies. He has written extensively on the art and culture of the seventeenth century, including the intersection of art and science in the age of Galileo, most notably in The Eye of the Lynx (Chicago, 2002).