Ben Shneiderman is a Professor in the Department of Computer Science and Founding Director (1983-2000) of the Human-Computer Interaction Laboratory at the University of Maryland. He is a Fellow of the AAAS, ACM, and IEEE, and a Member of the National Academy of Engineering, in recognition of his pioneering contributions to human-computer interaction and information visualization.

Ben is the co-author with Catherine Plaisant of Designing the User Interface: Strategies for Effective Human-Computer Interaction (5th ed., 2010). With Stu Card and Jock Mackinlay, he co-authored Readings in Information Visualization: Using Vision to Think (1999). His book Leonardo’s Laptop appeared in October 2002 (MIT Press) and won the IEEE book award for Distinguished Literary Contribution. His latest book, with Derek Hansen and Marc Smith, is Analyzing Social Media Networks with NodeXL. (2010)
Howard Wainer is a statistician and author. 'Medical Illumination: Using Evidence, Visualization and Statistical Thinking to Improve Healthcare' is his 20th book. His first two medical books (technical works in pediatrics) were published almost 40 years ago. He has been working primarily on medical topics since 2001 as the Distinguished Research Scientist of the National Board of Medical Examiners. At various times in his career he has taught at Princeton, The University of Chicago and the Wharton School of the University of Pennsylvania. He has a PhD from Princeton and is a fellow in the American Statistical Association and the American Educational Research Association. He has been the recipient of many awards for his broad ranging research and has served internationally on many editorial boards of leading statistical journals as well as a consultant to both government and industry. He has also written a column in the magazine 'Chance' for the past 22 years.