Senior Adviser in English as the Language of Instruction at Technische Universität Darmstadt, Germany, and a historian of the intersection of science and technology with gender and sexuality. Donna J. Drucker is Assistant Director of Scholarship and Research Development at the Columbia University School of Nursing. She is the author of Contraception: A Concise History (also from MIT Press), The Classification of Sex: Alfred Kinsey and the Organization of Knowledge, and The Machines of Sex Research: Technology and the Politics of Identity, 1945–1985.