Webcast sponsored by the Irving K. Barber Learning Centre and hosted by the School of Library, Archival, and Information Studies (SLAIS). Geoffrey C. Bowker is Professor at the School of Information and Computer Science, University of California at Irvine, where he directs a laboratory for Values in the Design of Information Systems and Technology. Recent positions include Professor of and Senior Scholar in Cyberscholarship at the University of Pittsburgh iSchool and Executive Director, Center for Science, Technology and Society, Santa Clara Together with Leigh Star he wrote Sorting Things Out: Classification and its Consequences; his most recent book is Memory Practices in the Sciences.