10/28/2009 12:00:00 amObituaryDorthy "Dot"TrietschSchertz'67AlumniobituaryAlumni Dorthy ‘Dot’ Trietsch Schertz (’67), Robstown. She began her professional career with the agriculture extension service in New Bern, N.C., and in College Station. She later worked in real estate and was an accomplished interior designer.