Donald Clemmer was born in 1903 and died in 1965, serving as Director of Corrections for the District of Columbia and the immediate past President of the American Correctional Association at the time of his death. For most of his life, he worked inside prisons and wrote The Prison Community in the late 1930s.
Christopher Wildeman is Professor of Sociology & Public Policy (by courtesy) at Duke University, where he is also Director of the National Data Archive on Child Abuse and Neglect, and Research Professor at the ROCKWOOL Foundation Research Unit.
Sara Wakefield is Professor of Criminal Justice at Rutgers University, Newark and a graduate faculty affiliate in the Department of Sociology at Rutgers University, New Brunswick.