Mary Cowles Ballantine
Myron and Jacqueline Blank
Wayne L. Carse and Jimmie Lou Carse
Roy J. Carver Charitable Trust
The Gardener and Florence Call Cowles Foundation
Carrie Johnston Guilliams
J.B. and Eileen M. Heckert
Donna Jeanne Helble
Helen Harp Henry
Luther L. and Sara Sigler Hill
Fred and Charlotte Hubbell
James and Helen Hubbell
Wayne L. Hammerand
Iowa Annual Conference of the United Methodist Church
Iowa College Foundation
Steve Johnson and Shannon Johnson
James and Irene Kent
Kent-Stein Foundation
The Kresge Foundation
Terry and Joyce Lillis
Lilly Endowment
Alan W. and Helene B. Magruder
Lettie Judkins McNeill
Owen J. Newlin
Robert Frederick Picken
Pioneer Hi-Bred International
Harold F. Pote
Nellaby Finney Pote
Principal Financial Group Foundation
James M. Reed and Lillian R. Reed
Amy Robertson
Richard and Ruth Root
John and Doris Salsbury
Henry and Ilo Wallace
Joseph W. Walt
The Weitz Corporation
