Barbra Mann Wall, PhD, RN, FAAN is a nurse historian known for her studies on women and health care institutions and for her focus on Catholic hospitals and oral histories of retired nurses. Her recent work addresses the history of disaster nursing in the Southwest and the way people interpret disasters of the past. She is Associate Professor and Associate Director, Barbara Bates Center for the Study of the History Nursing, University of Pennsylvania School of Nursing, USA, with previous faculty positions at Purdue and Duke Universities. She is widely published, with 19 refereed journal articles and two books, one of which, Unlikely Entrepreneurs: Catholic Sisters and the Hospital Marketplace, won the 2006 Lavinia Dock Award for Best Book, American Association for the History of Nursing (AAHN). Her newest book is American Catholic Hospitals: A Century of Changing Missions and Markets. Dr. Wall presents at major international and national nursing and women's research meetings and is the recipient of numerous research and program grants, from five to six figures.Arlene W. Keeling, PhD, RN, FAAN is the Centennial Distinguished Professor of Nursing and directs the Eleanor Crowder Bjoring Center for Nursing Historical Inquiry at the University of Virginia, USA. She also chairs the Department of Acute and Specialty Care. She is immediate Past President of the American Association for the History of Nursing and now second Vice President. Dr. Keeling is widely published with 26 peer-reviewed journal articles, two books, and 11 book chapters, along with numerous book reviews and commentaries. In 2007, she received the Lavinia Dock Award (AAHN) for her book Nursing and the Privilege of Prescription. Most recently she was author of The Nurses of Mayo Clinic (Mayo Clinic), and co-edited Nursing Rural America (Springer). She is the recipient of numerous research grants. A noted academic, Dr. Keeling presents internationally at major nursing and historical meetings.