Arnold Jay Dahm

Arnold (Arnie) Jay Dahm passed away on October 24, 2024, a month after celebrating his 92nd birthday with family at Brookdale, Oak Park, Illinois. Arnie was an internationally recognized physicist, known for his pioneering work in low-temperature physics, inspiring colleagues and students around the world.
Born on September 12, 1932, to Henry and Minnie Dahm, Arnie was the second of seven siblings in a close-knit family proud of their Dutch heritage. He grew up in Peoria, Iowa, where he graduated from Pella Christian High School and Central College. His academic journey continued at the University of Minnesota, where he earned a master's and PhD in physics, and he later completed postdoctoral research at the University of Pennsylvania.
In 1968, Arnie joined Case Western Reserve University in Cleveland, where he taught for 35 years. A beloved professor, he welcomed his international graduate students into his home, sharing Thanksgiving dinners and lively discussions. In 2000, Case Western honored him as an Institute Professor, recognizing his contributions to science and academia. Arnie received two Fulbright fellowships, enabling him to conduct research in England and West Germany.
Drafted into the U.S. Army during the Korean War, Arnie served his country for two years. In 1967, he met Susan Dickey in Philadelphia, and they married seven months later. Together, they raised two daughters, Amy Roehl of Dallas, Texas, and Kristi Dahm of Oak Park, Illinois, and he was a loving grandfather to his three granddaughters, who cherished his warmth and humor.
An active member of The Church of the Covenant in Cleveland, Arnie served as Chairman of the Board of Trustees, Elder, and Deacon. He was also an avid tennis player and skier, pursuing his passions across 70 locations worldwide. Arnie's adventurous spirit led him and Susan to travel extensively, hiking the Peruvian Andes, exploring the Galapagos Islands, and finding wonder in new places. In 2021, they moved to Brookdale, Oak Park, where Arnie became known as the "jigsaw puzzle wizard" and was celebrated for his sharp mind and friendly nature.
Deeply committed to social justice, gun safety, and combating global warming, Arnie worked tirelessly for a better world. He will be remembered by his family, friends, colleagues, and students for his wisdom, kindness, and inspiring legacy.
A memorial service will be held on Saturday, November 9, 2024, at 10:00 am at Fair Oaks Presbyterian Church in Oak Park, Illinois.
Gifts in his memory may be made to Fair Oaks Presbyterian Church and The Sierra Club.
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