Dr. Martin Frank is the Executive Director of the American Physiological Society. Prof. Michael Carroll is a Professor of Law and Director of the Program on Information Justice and Intellectual Property at the Washington College of Law at American University. Stephen Morrissey, the interviewer, is the Managing Editor of the Journal. M. Frank. Open but Not Free - Publishing in the 21st Century. N Engl J Med 2013;368:787-9. M. W. Carroll. Creative Commons and the Openness of Open Access. N Engl J Med 2013;368:789-91.