Jonathan Lazar is Professor of Information Studies and Associate Director of the Trace Research and Development Center at the University of Maryland. He is author of numerous books, including Ensuring Digital Accessibility Through Process and Policy and Research Methods in Human-Computer Interaction. Michael Ashley Stein is Cofounder and Executive Director of the Harvard Law School Project on Disability, Visiting Professor at Harvard Law School, and Extraordinary Professor at University of Pretoria Faculty of Law, Centre for Human Rights.