John Diehl Zimmerman left the military 80 years ago and moved on to a life of accomplishment in business, philanthropy and community building. The community service part of his story is known by many: his years as head of the then-Chamber of Commerce and his decades in business leadership, with partner William T. Wolf, in the Wolf Organization and its network of lumberyards. His generosity is remembered for his gift to the Susquehanna National Heritage Area of the Dritt House at Long Level, now named in his honor and that of his wife of 60 years, the John and Kathryn...