Diane died on January 26, 2014. She was born in Blue Island, Illinois, and lived there until after she graduated from Kalamazoo College. At K she majored in mathematics and studied abroad in Munster, Germany. After college she lived in Washington, D.C., Santa Monica (Calif.) and Austin (Texas) before returning to Plainfield, Illinois in early 2013. She earned her M.A. in educational technology from Pepperdine University. In 1973-1974 she lived in Ho Chi Minh City (formerly Saigon), Vietnam, teaching transportation planning models to Vietnamese students and public employees. During her career she generated computerized models for traffic and civic planning organizations, and served as a project manager for nationwide traffic engineering and civic planning research studies. She also served as manager of forecasting for Mattel Toys for ten years. She taught computer use to grade school students and retired seniors. She traveled around the world, served as president of historical and heritage societies, and become a certified master naturalist. She has been a sports car race worker, a fine art collector, an avid skier, a garden railroader, a rescuer of Golden Retrievers, and an equestrian. She also learned the art of bonsai and was deeply involved in parent and teacher organizations throughout her son’s education. Among family members who survive are her husband of 44 years, Browne, and her son, Daniel.