Barbara Allen (Ph.D. Science and Technology Studies, Rensselaer Polytechnic Institute, USA, 1999) is Director of the Graduate Program in Science and Technology in Society at Virginia Tech’s Washington, DC area campus. She teaches courses on the sociology and cultural studies of science and technology as well as classes on risk, environmental issues, and citizen participation in science. As a native of New Orleans, she has written many articles on the environmental justice social movement in Louisiana’s “Cancer Alley” and about post-Hurricane Katrina issues. Currently she is completing a comparative study of environmental health and policy issues in the Marghera chemical region and is also interested in informal science networks and science-citizens alliances in Italy. She has published articles in journals such as Social Studies of Science, Technology in Society, Technology and Culture, Science as Culture, and also a book, Uneasy Alchemy: Citizens and Experts in Louisiana’s Chemical Corridor Disputes (MIT Press: 2003).