Helen L. Petrie  Centre for Human-Computer Interaction Design, City University, Northampton Square, London, EC1V0HB, United Kingdom (h.l.petrie@city.ac.uk). Professor Petrie holds the Chair in Human-Computer Interaction at City University London. She received a B.A. degree in psychology from the University of Melbourne in 1979, a Ph.D. degree in psychology from University College, London in 1988, and an M.Sc. degree in information technology from Queen Mary Westfield College London in 1992. Professor Petrie is an Associate Fellow of the British Psychological Society, a member of the British Computer Society, and a member of the Association for Computing Machinery (ACM). She has served as secretary of the Association for the Advancement of Assistive Technology in Europe (AAATE), and as vice-chair of the ACM Special Interest Group on Computing and Physical Handicaps (SIGCAPH).

Gerhard Weber  Multimedia Campus Kiel, Westring 431–453, 24118 Kiel, Germany (g.weber@mmc-kiel.com). Professor Weber holds the Chair in Human-Centered Interfaces at the Christian Albrechts University of Kiel. He received a diploma degree in computer science from the University of Stuttgart in 1984 and a doctoral degree from the University of Stuttgart in 1989. He completed his Habilitation at the University of Magdeburg in 2000. Professor Weber is a member of the Association of Computing Machinery and Gesellschaft fuer Informatik, and is vice-chair of IFIP (International Federation for Information Processing) Working Group 13.3 on HCI (human-computer interaction) and Disabilities.

Wendy Fisher  South East London Strategic Health Authority, 1 Lower Marsh, Waterloo, London, SE1 7NT, United Kingdom (wendy.fisher@selondon.nhs.uk). Ms. Fisher worked on the MultiReader Project as a researcher between 2001 and 2003. She now oversees the National Health Service Research and Development in southeast London. She received a B.Sc. degree with Honors in psychology from the University of Hertfordshire in 1999, and an M.Sc. degree in research methodology, also from Hertfordshire, in 2000.