Search Result for "penologist": 
Wordnet 3.0

NOUN (1)

1. a person who studies the theory and practice of prison management; 



The Collaborative International Dictionary of English v.0.48:

Penologist \Pe*nol"o*gist\, n.
   One versed in, or a student of, penology.
   [1913 Webster]


WordNet (r) 3.0 (2006):

penologist
    n 1: a person who studies the theory and practice of prison
         management