The Cornerstone Society (2019-20) recognizes donors whose cumulative lifetime giving to any designation achieves the level of $10 million or more.
Roy J. Carver Charitable Trust
Cindy and Murry '75 Gerber / Cindy and Murry Gerber Foundation
Patricia K. and Robert A. '48 Hanson
State of Illinois
Austin E. Knowlton / Austin E. Knowlton Foundation