Source : Webster's Revised Unabridged Dictionary (1913)

Historian \His*to"ri*an\, n. [F. historien.]
   1. A writer of history; a chronicler; an annalist.

            Even the historian takes great liberties with facts.
                                                  --Sir J.
                                                  Reynolds.

   2. One versed or well informed in history.

            Great captains should be good historians. --South.

Source : WordNet®

historian
     n : a person who is an authority on history and who studies it
         and writes about it [syn: {historiographer}]

Source : Free On-Line Dictionary of Computing

HISTORIAN
     
        A {source code management} system sold by {OPCODE, Inc.}