Arnold Pacey is the author of The Culture of Technology, Meaning in Technology, and The Maze of Ingenuity, all published by the MIT Press. He is a recipient of the Leonardo da Vinci Medal for the History of Technology.

Francesca Bray's recent books include Technology, Gender and History in Imperial China and Rice: Global Networks and New Histories. She is coeditor of the forthcoming Cambridge History of Technology and a recipient of the Leonardo da Vinci Medal for the History of Technology.