Richard J. Koselke, a highly skilled tradesman and devoted family patriarch, passed away peacefully on Wednesday, March 18, 2026, at the age of 87. A resident of Dyer, Indiana, and formerly of Lansing, Illinois, Koselke dedicated his professional life to the advancement and maintenance of critical industrial infrastructure as a master pipefitter. His life was characterized by technical precision, an unwavering commitment to his trade union, and a profound dedication to his family.
Early Life & Education
Born to Theodore and Alberta Koselke, Richard was raised in an environment that valued hard work, resilience, and familial solidarity. He grew up alongside a large and close-knit group of siblings, including his sister Ruth (Enloe), and his late brothers and sisters: Theodore, Robert (Bolda), Dolores, Lorraine (Groot), Dorothy (Medendorp), and Joe.
Coming of age during a period of rapid industrial expansion in the American Midwest, Koselke developed an early aptitude for mechanical systems and structural problem-solving. These formative years laid the groundwork for his entry into the skilled trades, instilling in him a rigorous work ethic and a meticulous attention to detail that would later define his long and successful career.
Career Zenith & Contributions
Koselke’s professional legacy is anchored by his decades of dedicated service as a pipefitter. In the specialized domain of industrial mechanics, pipefitting requires a sophisticated understanding of blueprint interpretation, spatial reasoning, metallurgy, and fluid dynamics. Koselke’s expertise ensured the safe and efficient operation of complex piping systems—infrastructure that serves as the lifeblood of commercial and industrial facilities across the region.
Professional & Technical Milestones:
- Technical Mastery:Â Executed complex mechanical installations and structural maintenance with a focus on safety, longevity, and operational efficiency.
- Infrastructure Impact:Â Contributed directly to the robust industrial framework of the Chicago and Northwest Indiana metropolitan areas.
- Operational Standards:Â Maintained strict adherence to industry regulations, mechanical codes, and safety protocols throughout his extensive career.
Leadership & Affiliations
Central to Koselke’s professional identity was his longstanding membership in Pipefitters Local 597, one of the most prestigious and historically significant trade unions in the United States. Membership in Local 597 is a hallmark of authoritativeness in the trade sector, requiring rigorous training, continuous certification, and a commitment to peer excellence. Through his years of dedicated service, Koselke served as a standard-bearer for the union’s values, implicitly mentoring younger generations of tradesmen by exemplifying reliability, craftsmanship, and integrity.
Beyond his institutional impact, Koselke maintained a vibrant personal life characterized by strategic and recreational pursuits. He possessed an analytical mindset that he applied to the poker table, alongside a disciplined appreciation for athletics, evidenced by his lifelong support of the Chicago Blackhawks. He was also an active participant in local recreational networks, frequently enjoying bowling and fishing expeditions.
Legacy & Impact
While his professional contributions to regional infrastructure were substantial, Richard Koselke’s most enduring legacy resides in his family. Known affectionately as “Grandpa K,” he viewed his role as a husband, father, and grandfather as his absolute paramount achievement, always prioritizing time spent with his loved ones.
He is survived by his loving wife, Barbara A. Koselke (nee Hasselberger), and his four devoted children: Karen (Rick) Berendt, Dawn Lavimodiere, Mark (Michele) Koselke, and Brian (Jennifer) Koselke. His familial impact and life lessons will be carried forward by his cherished grandchildren—Lindsey, Keaton, Dylan, Maya, Mack, Brianna, Brody, and Brecken—as well as his great-grandchildren, Riley and Blake. He also leaves behind numerous nieces and nephews who benefited from his kindness and steady guidance.
In alignment with his lifelong spirit of generosity and care for future generations, his family has directed that memorial donations be made to St. Jude Children’s Research Hospital, reflecting Koselke’s enduring compassion. Funeral arrangements and memorial tributes are being managed by Smits Funeral Homes, honoring a life of profound contribution, technical excellence, and deep familial love.