Dr. John Calvin Post portraitGreat Smoky Mountains National Park1803-1873 Born Elmira, NY; educated in medicine and mineralogy; settled in Cades Cove; traveled extensively doing geological mapping and prospecting. He operated mines and a small smelter on the head of Hesse Creek before he moved into Cades Cove. Slide no. 2485,Post, Dr. John Calvin, III-P-17480