Thomas L. Seamster received his Ph.D. in instructional systems technology from Indiana University, USA. He currently is the senior research scientist at Cognitive and Human Factors (Santa Fe, USA) directing the cognitive modelling of air traffic controller and aircrew performance. He has directed US government R&D projects and published in the areas of user interface research and development, training systems analysis and development, and the analysis of expertise. He also is a consulting editor for the International Journal of Aviation Psychology. Richard E. Redding has ten years R & D experience in cognitive task analysis in aviation, serving as a principle scientist or project director for major US government training development projects for air traffic controllers and combat aircrews. As the most published author in the world on using cognitive task analysis for training design, his work is widely cited. He recently was a visiting fellow at the University of Southern Queensland, Australia, lecturing and consulting on cognitive task analysis. He holds a Juris Doctor degree from Washington and Lee University, USA, a M.S. degree from Vanderbilt University, USA and is a doctoral candidate in psychology at the University of Virginia, where he is also an instructor. He has published over 20 journal articles and book chapters plus numerous published conference proceedings, government technical reports and conference presentations on cognitive task analysis. George F. Kaempf has over 10 years experience as a senior scientist or principle investigator on major US government research and development projects in flight simulator training, aircrew training, crew resource management, and decision support systems. He is currently Manager of Human Interface Engineering, Sun Microsystems Inc., California, USA. Previous to this, he was a senior research associate at Klein Association Inc., USA, where he was responsible for research on cognitive aspects of expert and team performance and for developing training and decision support interventions. He holds MS and PhD degrees in experimental psychology from Virginia Commonwealth University, USA
