Robert Dennison, Parole Board Chief Turned Inmate Advocate, Dies at 75. Dennison, Robert (1946-2021), Deaths (Obituaries), Probation and Parole, Amnesties, Commutations and Pardons, Murders, Attempted Murders and Homicides, False Arrests, Convictions and Imprisonments, Prisons and Prisoners, Parole Board, New York State