Robert W. Hedland: Editor (Editing)1997-06-13

Robert W. Hedland: First Assistant Editor (Editing)1991-08-02

Robert W. Hedland: Assistant Editor (Editing)1992-04-10

Robert W. Hedland: Editor (Editing)2002-01-01

Robert W. Hedland: Assistant Editor (Editing)2010-03-18

Robert W. Hedland: Assistant Editor (Editing)2010-10-28