After earning degrees from Wellesley College and Boston University Lunt-Prussing worked as a research economist at the University of Illinois at Urbana–Champaign In 1972, she was elected to the Champaign County Board and in 1976 she was elected Champaign County Auditor.
[2] In the 1990 redistricting, the 103rd district’s longtime incumbent, Helen F. Satterthwaite was drawn into a more conservative district that removed the University of Illinois' campus and replaced it with rural, staunchly Republican territory in Champaign, Ford, and Douglas counties.
[4] Lunt was narrowly elected, defeating Republican candidate Gregory Cozad, an attorney and financial planner.
[6] In 1996 and 1998, Lunt Prussing ran for Congress in Illinois's 15th congressional district against Tom Ewing.
[12] While Mayor of Urbana, Prussing served as a member of the Illinois P-20 Council and the Law Enforcement Training and Standards Board.