SAVANNAH, Ga. (WSAV) – The Savannah Police Department is looking for a missing man who suffers from dementia. Clyde Thornhill has reportedly been missing from Memorial Health since noon on Monday. Clyde Thornhill (Savannah Police Department) SPD: Missing woman last seen near Memorial Health Thornhill is about 6 feet tall and 175 lbs. and was wearing a brown shirt and brown sweatpants. If you see him, SPD urges you to call 911.