"In 1996, when Ralph and Kimberlie Cole bought 100 acres on the scenic Cumberland Plateau in eastern Tennessee, neither of them knew a thing about farming. At the time, they were drawing their paychecks in Oak Ridge, some 45 miles away, where Ralph oversaw a lab that studied soil contamination and Kimberlie worked to minimize pollution for the Department of Energy. But the two scientists shared a nagging desire to lead more self-sufficient lives." (Quoted from article)