Curtis Frank Ahrens M.D., 99, of Duluth, Iron River, and Boca Grande, passed away Monday, March 20, 2017. “Curt” or “Doc,” as he was known to many, was born in Minneapolis on February 17, 1918 to Walter and Amollia Ahrens. He came to Duluth to work at St. Luke’s Hospital and went on to become head […]