Source : Webster's Revised Unabridged Dictionary (1913)

Chronologist \Chro*nol"o*gist\, Chronologer \Chro*nol"o*ger\, n.
   [Gr. ?.]
   A person who investigates dates of events and transactions;
   one skilled in chronology.

         That learned noise and dust of the chronologist is
         wholly to be avoided.                    --Locke.

         THe most exact chronologers tell us that Christ was
         born in October, and not in December.    --John Knox.