Source : Webster's Revised Unabridged Dictionary (1913)

Framer \Fram"er\, n.
   One who frames; as, the framer of a building; the framers of
   the Constitution.

Source : WordNet®

framer
     n 1: someone who makes frames (as for pictures)
     2: someone who writes a new law or plan; "the framers of the
        Constitution"