When Dr. Donald Guthrie arrived in Sayre in 1910, it was home to the third-largest railroad repair shop in the world. A small hospital, the first in the region, had opened 25 years earlier to care for those injured in this dangerous work. Fresh from surgical training at the Mayo Clinic, Guthrie brought with him a vision and the energy and charisma to make his dream a reality. He started Guthrie Clinic, one of the oldest multispecialty group practices...