Gregory Hale McDiffett, 68, Alta Vista, passed away on January 3, 2020 at University of Kansas Medical Center from complications of heart disease and pulmonary hypertension.   He was preceded in death by his parents, his brother L. S. “Scotty” McDiffett, Jr. and sister-in-law Patricia (Cronin) McDiffett. Greg was born on September 16, 1951 ...