Stephen Gilson is professor of social work and interdisciplinary disability studies and also holds an appointment as Senior Research Fellow. Ono Academic College, Research Institute for Health and Medical Professions. Kiryat Ono, Israel. He is a theorist and policy analyst who is best known for his work in disability, diversity, and health policy through the lens of legitimacy theory. Co-authored with Elizabeth DePoy, Gilson developed Explanatory Legitimacy Theory which analyzes how population group membership is assigned, is based on political purpose, and is met with formal responses that se...