PINEY FLATS - Bobby Dean Hickman, 87, of Piney Flats died Thursday, May 3, 2018 at his home after an extended illness. A good and godly man, he was born and raised in the Holston/Muddy Creek area to Viola Hicks and Simon Lee Hickman. Bob was preceded in death by his parents and his brothers, Herschel and Lee. He attended Holston High School then served his country during the Korean conflict as an MP in the U.S.