Background
Zimmerman, Donald Dean was born on November 22, 1935 in Hillsboro, Illinois, United States. Son of William Keiser and Kathryn Clara (Barkema) Zimmerman.
Zimmerman, Donald Dean was born on November 22, 1935 in Hillsboro, Illinois, United States. Son of William Keiser and Kathryn Clara (Barkema) Zimmerman.
Bachelor of Science, University of Illinois, 1957.
Farm manager, Harvel, Illinois, since 1958. With American Society Farm Managers and Rural Appraisers, since 1995. Board directors Morrisonville (Illinois) Farmers Cooperative.
Trustee St. Vincent's Hospital, Taylorville, Illinois With United States Army Reserve, 1957-1963.
Married Martha Rosenberger, December 27, 1959. Children: John William, Christopher Keiser.