SCOTT F. GILBERT is Professor of Biology at Swarthmore College, USA where he teaches developmental genetics, embryology, and the history and critiques of biology. He has received several awards, including the Medal of Franois I from the Collge de France, the Dwight J. Ingle Memorial Writing Award, the Choice Outstanding Academic Book Award, an honorary doctorate from the University of Helsinki, and a John Simon Guggenheim Foundation Grant. His present research is in evolutionary developmental biology, focusing on that most interesting of topics-how the turtle forms its shell.
ANNA TYLER works in the Biology Department, Dartmouth College, USA
EMILY ZACKIN works in the Politics Department, of Princeton University, USA