ACS acknowledges these donors who made contributions on prior years' pledges.

Paul S. Anderson
Brian A. Bernstein
Mary Bet Dobson
Helen M. Free
Mary L. Good
Diane Scott-Lichter and Robert Lichter
Catherine Teague Sigal
Stewart and Karen Stabley
Peter J. Stang
Dow Corning Foundation
The Camille and Henry Dreyfus Foundation
GlaxoSmithKline
Kavli Foundation
PPG Industries Foundation
Alfred P. Sloan Foundation