Clyde W. Zielke

Clyde W. Zielke, age 98, passed away at Aurora Medical Center in Oshkosh, WI on Friday, November 17, 2023. Clyde was born on July 8, 1925, in Oshkosh, WI, the son of the late William G. and Gertrude M. (Baker) Zielke. He married Rose Mary Grunwald, April 23, 1994. Rose Mary passed away on February 19, 2019. Clyde graduated from Oshkosh Senior High School in June 1943, then attended Marquette University for a semester and a half when he entered the United States Army to serve in World War II. His army stint as a corporal included war service in France and Germany. After the war, he attended the

 University of Wisconsin-Madison. After graduating as a Chemical engineer, he worked for Consal energy for 33+ years in the Pittsburgh, PA area. There he did research work which encompassed coal desulfurization, coal gasification, coal liquefaction, and coal combustion. He had many publications and patents related to his research work that he authored or reauthored. Clyde retired from Consal energy in 1985 and return to Oshkosh to live in 1988.

Clyde was a member of Martin Luther Church in Oshkosh from birth to age 26 and after returning to Oshkosh in 1988. He taught Sunday school, served as church treasurer for a time, served on the trust committee, and attended Bible class for many years in addition to counting money contributions.

Clyde like fishing, boating, bowling, golfing, and attending Packer games in Green Bay. He had especially fond memories of fishing with his dad and helping his mother. Clyde also loved to travel and had many trips and ocean and river cruises with his beloved wife, Rose Mary.

Clyde was preceded in death by his wife, his sister is Evelyn Lehner, and Violet Zielke of Oshkosh, Myra Behm of Neenah, Ethel Crane of San Clemente, CA; nephew, Thomas Lehner of Oshkosh and stepsons, Gerald (Christine) and Mark (Susan) Grunwald.

Clyde is survived by his stepson‘s, Thomas (Diane) and Timothy Grunwald. He’s also survived by one brother-in-law, Al Vandenberg of Green Bay as well as niece, Carol Casse` and nephews Michael, Peter, and William Crane.

A funeral service for Clyde will be held at Martin Luther Church on Saturday, December 9, 2023 at 11 AM. Rev. Tom Voss will be officiating the service. A time of visitation will be held from 10 AM until the time of service. A burial will follow at Lake View Memorial Park.