DAVID CROOK, now retired, spent his working life in The National Archives, where he became immersed in the extensive surviving early records of the English royal administration and common law. From those sources have emerged important findings which may identify a real criminal as the original of the legendary English outlaw Robin Hood. LOUISE J. WILKINSON is Professor of Medieval Studies, University of Lincoln. ADRIAN JOBSON is an Honorary Research Fellow at the University of East Anglia. CHARLES INSLEY is a Senior Lecturer in Medieval History at the University of Manchester. DAVID CROOK, now retired, spent his working life in The National Archives, where he became immersed in the extensive surviving early records of the English royal administration and common law. From those sources have emerged important findings which may identify a real criminal as the original of the legendary English outlaw Robin Hood. LOUISE J. WILKINSON is Professor of Medieval Studies, University of Lincoln. NICHOLAS VINCENT is Professor of Medieval History at the University of East Anglia and a Fellow of the British Academy PAUL DRYBURGH is Principal Records Specialist (Medieval) at The National Archives, UK. Professor PHILIPPA HOSKIN is Gaylord & Dorothy Donnelley Fellow Librarian, Corpus Christi College, and Keeper of the Parker Library, University of Cambridge. She is also General Editor of the Lincoln Record Society.