Beloved husband of Cynthia T. Cercone; dear father of Caroline (Benjamin) Dudeck, Emily Cercone, Justyn (Maria) Dudeck and Jeanette (Louis) Pilie; grandfather of 4 grandchildren and 2 great-grandchildren; brother of Patricia A. (late Frank) Michel and Lawrence E. (Phyllis) Dudeck; also survived by several nieces and nephews. Mr. Dudeck was a treasured physics teacher at Lafayette High School for 34 years. Family and friends may call at the DENGLER, ROBERTS, PERNA FUNERAL HOME, 8630 Transit Rd., East Amherst, NY 14051 on Thursday (December 18, 2025) from 3-6pm, where a Life Remembered Service will be held at 5pm. In lieu of flowers, financial contributions, or blood or platelets donations, made be made in James' memory to Roswell Park Comprehensive Cancer Center Buffalo, NY. Fond memories and expressions of sympathy may be shared at www.denglerrobertspernafuneral.com