April 1, 1999 - B. Joseph Pine II, James H. Gilmore 0
September 15, 1997 - Hugh Beyer, Karen Holtzblatt 0
November 18, 2011 - Lindsay Ratcliffe, Marc McNeill 0
November 19, 2012 - Milan Guenther 0
February 4, 2013 - Suzie Mitchell, Justin Singer 0
June 6, 1996 - Thomas K. Landauer 0
March 5, 2004 - Alan Cooper 0