Ralph was born on October 16, 1938, in Madison, Wisconsin. He lived a life defined by dedication to family, service to his country, and commitment to his community. Ralph proudly served as a paratrooper in the United States Army, demonstrating courage, discipline, and patriotism throughout his military service and beyond.
Ralph shared 63 years of marriage with his wife, Donna Gruendler. Together they built a life centered on family, hard work, and devotion to one another.
Following his military service, Ralph built a long and successful career in telecommunications. He began working for AT&T in 1957, where he remained until his retirement in 1988. After retiring from AT&T, Ralph continued his career with Tesmec Machinery, bringing the same dedication and professionalism that characterized his entire working life.
Retirement did not slow Ralph's desire to serve others. He devoted countless hours volunteering with Habitat for Humanity, helping families build homes and brighter futures. He also served as a docent at The Alamo in San Antonio, where he enjoyed sharing the history and heritage of one of Texas' most treasured landmarks with visitors from around the world.
Ralph is survived by his wife, Donna Gruendler; his son, Scott Gruendler and wife, Maria Gruendler; his daughter, Michelle Gruendler and her husband, John Chitwood; his sister, Nancy Vistian and husband, Roger Vistian; his grandchildren, Travis and Jordan; his step-grandchildren, Cameron, Sunni, Austin, and Alison; and his great-grandchildren, Lina, Weston, and Hudson. He also leaves behind many extended family members and friends who will cherish his memory.
He was preceded in death by his father, Everhart Gruendler; his mother, Edith Gruendler; his brother, David Gruendler; and his grandson, Tyler Gruendler.
Above all, Ralph will be remembered as a devoted husband, father, grandfather, and great-grandfather. He took great pride in his family and found joy in watching it grow across generations. A proud Wisconsin native, he enjoyed following sports and remained a loyal Green Bay Packers fan throughout his life. His service, generosity, and commitment to others left a lasting impression on family, friends, and all who had the privilege of knowing him.
A Visitation will be held for family and friends, on Monday, November 16, 2026, at 11:00 a.m. at Porter Loring Mortuary North.
A Private Burial will be held at Holy Cross Cemetery.
