John Kintzinger

John S. Kintzinger

Thursday, April 15th, 1948 - Wednesday, March 25th, 2020
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John S. Kintzinger, 71, of Iowa City, and formerly of Dubuque, passed away Wednesday, March 25, 2020 in Iowa City.

Interment will be in Mount Olivet Cemetery, Key West. Egelhof, Siegert & Casper Funeral Home and Crematory is entrusted with arrangements. Online condolences may be left for the family at

John was born April 15, 1948 in Dubuque, the son of David and Charlotte (Faber) Kintzinger. He graduated from Wahlert High School in 1965, and went on to earn his B.S. from both Loras College (1970), and University of Iowa (1979). John continued his education earning his MS from University of Chicago in 1992, and his PhD in Mathematics from University of Iowa in 2009.

In his younger years, John worked as a bookkeeper for Faber Music, his uncle’s family business. He was a caregiver for his mother for many years, and also helped out at the University of Iowa in the Mathematics Department.

John was a very kind and patient man. John enjoyed bicycling, photography, reading, and dining out. He loved listening to Iowa Public Radio, and especially The Newman Singers. His Catholic faith was very important to him. Spending time with Kay was something John cherished.

John is survived by his siblings, Jean (Jim) Gantz of Dubuque; Judy Kintzinger of Madison, WI; Dr. Tom (Sue) Kintzinger of Hayward, WI; and Susan Kintzinger of Madison, WI; his nephew, Eric (Nicole) Gantz and their children, Matthew, Joshua, and Lauren Gantz; his niece, Abby (Eric) Schissler and their children Eden and Elijah Schissler; his niece Katie Kintzinger; and his significant other, Kay Habovsky of Iowa City.

He was preceded in death by his parents.

John’s family would like to thank cousin Mary and Steve Vanderah for the help and support they have extended to John over the years.
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Service Details

  • Interment

    Friday, April 3rd, 2020 | 1:00pm
    Friday, April 3rd, 2020 1:00pm
    Mount Olivet Cemetery
    10556 Military Road
    DUBUQUE, IA 52003
    Get Directions: View Map | Text | Email


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Jim Most

Posted at 01:38pm
My most significant memory of John was the late night time I spent discussing almost anything and everything while shepherding music students in and out of the store at Faber's Music. John and I had many. many discussions during that time and I found him to always have an interesting perspective. Best was his help to me with my math home work, he was always willing to help and explain problem solutions in a simple way. My and my families condolences go out to Kay, Jean, Judy, Tom and Susan. John was a great soul.
-Jim, Lu Ann and Caity Most

Jean Gantz Posted at 09:55am

Thank you so much for that

Joe Mattingly

Posted at 02:59pm
John was a faithful attendee, along with Kay, at our Sunday night 6 pm mass at the Newman Center. He was always gracious, kind, and yes, as his obituary mentions, he very much enjoyed the Newman Singers. We will all miss him!
— Joe Mattingly (director of the Newman Singers)

Judy Kintzinger

Posted at 02:35pm
A fond, funny, memory of John. When young, he was very intelligent, but not so "street smart" with practical every day things. John wanted to make a frozen pizza, so he put the whole pizza including packaging inside oven, until it caught fire. I always laugh when I think of that.

Karen Ewing

Posted at 10:48am
Karen Ewing

John was like the big brother I never had, when we were growing up. I lived next door, and practically lived at their house. Charlotte was very tolerant of her "extra child"! I'm an only child, and John and his siblings were like brothers and sisters to me.
John was quiet, thoughtful, studious, and a great source of information and advice. He was also kind, and highly intelligent. His Catholic faith was indeed very important to him: I remember "playing Mass", with John in the role of priest, and the rest of us his flock; we received "Communion" in the form of grape juice and little discs of white bread. It was totally reverent and completely serious. Maybe it was a way for John to contemplate his future, possibly as a priest.
My sympathy to the entire family.

Jean Gantz Posted at 11:15am

Wow that was so well written. Wish I had contacted you to help with the obituary. Thank your from Jim and Jean Gantz

John A Wagner

Posted at 08:19am
John was my classmate and debate partner for many years. I always enjoyed his intellectual intensity and his intellectual rigor. I lost contact with John after college and was unable to get back in contact with him. I am deeply saddened to hear of his passing and want to extend my condolences to his family, friends, and his significant other.
----Dr. John A Wagner, PhD

Jean Gantz Posted at 11:19am

Thank you so much John.

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