09/26/2017 08:30:00 AMObituaryHaroldL.David'52AlumniobituaryAlumni Harold L. David (’52), Granbury :: He played football at North Texas and was a four-year letterman. He worked for Mobil Oil for 34 years, retiring as manager of technical computer services. He was a reserve deputy for the Dallas County Sheriff’s Office and spent his retirement traveling and volunteering for the American Red Cross and the Granbury sheriff’s department.