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Bonnie Litwiller Obituary
MORTON - Dr. Bonnie H. Litwiller, 74, of Morton died at 11:40 a.m. Friday, Jan. 27, 2012, at her home.
She was born Feb. 14, 1937, in Morton to Marion and Helen (Huette) Litwiller.
Surviving are five first cousins.
She was preceded in death by her parents.
Bonnie received her B.S./M.S. degrees from Illinois State University in Normal. She received her Math Ed.D. from Indiana University.
She first taught seven years at Richwoods High School in Peoria. Bonnie later became a professor of mathematics at the University of Northern Iowa in Cedar Falls, Iowa, retiring in 2000.
Bonnie was a member of the Delta Kappa Gamma, Phi Delta Kappa and Kappa Ma Epislon, Lambta Theta and Kappa Delta Pi. She also was a member of National Council of Teachers of Mathematics, Mathematics Association of America and the School Science and Mathematics. For the past four years, Bonnie was a member of the P.E.O. Sisterhood.
In 2004, she received the Indiana University School of Education Distinguished Alumni Award.
Bonnie co-authored more than 900 journal articles, published four books, edited 26 books for the National Council of Teachers of Mathematics and gave more than 200 presentations.
She was awarded the 2003 Iowa Council of Teachers of Mathematics Lifetime Achievement Award, the 1995 University of Northern Iowa Outstanding Service Award, the 1993 Regents Award for Excellence from the Iowa Board of Regents and the 1982 Illinois State University Alumni Achievement Award.
Bonnie was a member of the Community United Church of Christ in Morton, where a celebration of life service will be at 10 a.m. Tuesday, Jan. 31, 2012, with the Rev. Jeff Johnston officiating. Burial of cremated remains will be at a later date. Ludwig Mortuary in Morton is handling arrangements.
Memorials may be made to the Department of Mathematics, Illinois State University, Campus Box 4520, Normal, IL 61790-4520, or the Community United Church of Christ, 300 N. Main St., Morton, IL 61550.
Online condolences may be sent to the family at www.ludwigmortuary.com.
To plant trees in memory, please visit the Sympathy Store.
Memories and Condolences
for Bonnie Litwiller
February 15, 2012
Bonnie was a wonderful friend.
Mary & Doug Gillespie
February 14, 2012
In addition to being a leader in mathematics education, Bonnie was a wonderful human being. She was both witty and wise and we enjoyed being with her.
Ken and Norma Caquelin, Cedar Falls, Iowa
Diane Thiessen
January 31, 2012
Bonnie made many contributions to math education at the national and state levels and especially to UNI. Her contributions will live on through her former students and her work.
Glenn Nelson
January 30, 2012
Bonnie worked tirelessly for the betterment of mathematics education for her students and, ultimately, the students her students would teach. She set high standards and encouraged her students to attain them. Her legacy continues in mathematics classrooms in schools across Iowa, the mid-west, and the nation.
Ed Rathmell
January 30, 2012
Bonnie was a leader in mathematics education. She worked behind the scenes to help students in so many ways. She will be missed.
Walter Beck
January 30, 2012
I'm so sorry to hear of Bonnie's death. We were both on the UNI faculty. We somehow discovered we were raised in the same area (I'm from Pekin) and became friends. Both Marianne and I send our condolences.
Mary Franken
January 30, 2012
I add my tribute to Bonnie--a colleague at UNI, a fellow member of Delta Kappa Gamma and P.E.O. and most importantly my friend for many years. She made a difference in the lives of so many, who will miss her.
Sue Runyon
January 29, 2012
"Bonnie was a wonderful teacher and colleague. She will be missed by the Iowa math community. She made a difference in my life and was a great role model for women in mathematics." Sue Runyon
Myrna Bertheau
January 29, 2012
Bonnie gave so much of herself to improve math education for so many. It was my pleasure to know her, and I thank her for all she did to influence me as a math educator! She lives on in so many of us.
January 29, 2012
God bless Bonnie Litwiller, I had the pleasure of meeting her again, long after she was my teacher at Richwoods High School.
Nina Walliker Latham, Brimfield, IL
January 29, 2012
It is with great sadness that I write this message. I taught at UNI and worked with Bonnie in various professional roles. She was a great colleague and will be missed.
Joan Duea
Maureen Busta
January 29, 2012
I am so sorry to hear this news. I had the great pleasure to be a student of Bonnie's and to then work with her through the Iowa Council of Teachers of Mathematics. She had a great sense of humor and I always admired her love of teaching and her dedication to her students.
January 29, 2012
My sincere sympathy on the death of Bonnie Litwiller, my former colleague at the University of Northern Iowa.
--David Duncan
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