79 year old John Dost of Cookeville died Saturday at Cookeville Regional Medical Center. A memorial service will be held Saturday at 3:00 p.m. at the Cookeville Chapel of Hooper- Huddleston, & Horner Funeral Home. Visitation will be Saturday from 2:00 p.m. until the time of the service. Survivors include his wife Barbara Dost. Two daughters, Diane Loy and Gail Gentry. One brother, Andy Dost and a sister, Betty Matzkvich. The Cookeville Chapel of Hooper- Huddleston & Horner Funeral Home is in charge of the arrangements.