EXPERT WITNESS--John Augenblick gestures as he testifies before the Ohio Senate Finance Committee, at the Ohio Statehouse, in Columbus, Ohio, on Tuesday, July 8, 1997. Augenblick is a Denver-based consultant who developed the method for calculating the per-pupil cost of a public school education. The Ohio Supreme Court, in DeRolph v. Ohio, has ruled that the state must find a more equitable method of funding public schools.