Cover photo for John Knollenberg's Obituary
John Knollenberg Profile Photo

John Knollenberg

February 11, 1935 — October 8, 2022

In loving memory of Dad. John D. Knollenberg, 87 formerly of Boulder passed away Saturday, October 8th, 2022. A native of Mattoon, Illinois, he was the son of William Knollenberg Jr. and Hellen Eleanor (Kastl) Knollenberg. John married Christina (Salvetti) Knollenberg December 28, 1963 in Peoria Illinois and were husband and wife for over 53 years. Together, they had three children: Brian (Janice), Perry (Oanh) and Sally (Kurt). John is survived by his three children as well as five grandchildren and five siblings. He was preceded in death by Christina, his parents, nine siblings and one grandson. John served as a naval aviator in the 1950s and 1960s and was a life long commercial and private pilot. Over the years, he worked as an educator and engineer in Illinois and Colorado.
To order memorial trees or send flowers to the family in memory of John Knollenberg, please visit our flower store.

Service Schedule

Past Services

Visitation

Wednesday, November 2, 2022

Add to Calendar

Greenwood & Myers Mortuary

2969 Baseline Road
Boulder, CO 80303

Visitation time to be determined.

*Standard text messaging rates apply.

Service

Thursday, November 3, 2022

Starts at 11:00 am (Mountain time)

Add to Calendar

Sacred Heart of Mary Catholic Church

6739 South Boulder Road
Boulder, CO 80303

*Standard text messaging rates apply.

*Standard text messaging rates apply.

Photo Gallery

Guestbook

Visits: 7

This site is protected by reCAPTCHA and the
Google Privacy Policy and Terms of Service apply.

Service map data © OpenStreetMap contributors