Robert N. Proctor is Professor of History at Stanford University. His books include Racial Hygiene (1988), Packaged Pleasures (2014), and Golden Holocaust (2011). Londa Schiebinger is the John L. Hinds Professor of History of Science at Stanford University. Her books include Gendered Innovations 2 (2020), Secret Cures of Slaves (Stanford, 2017), and Plants and Empire (2004). Together, Proctor and Schiebinger are editors of Agnotology: The Making and Unmaking of Ignorance (Stanford, 2008).