BUFORD, Ga.--(BUSINESS WIRE)--Aug. 9, 2006--Theragenics Corporation (NYSE: TGX - News), a medical device company serving the cancer treatment and surgical markets, announced today that Luther T. Griffith was elected to the Company’s board of directors on August 7, 2006. Since 2004, Mr. Griffith has served as a director of Lifecore Biomedical, Inc., a Nasdaq-listed manufacturer of biomaterials and medical devices where he currently serves as Chairman of the Audit Committee and serves on the Governance and Nominating Committee. Since 1994, Mr. Griffith has been President of Griffith Resources, Inc., which provides consulting and capital resources to small businesses in the process of change.