by (United States)John A.Roberson;by (United States)Clayton T.Crowe;by (United States)Roger Kamien; by (United States)Paul A.Samuelson;by (United States)William D.Nordhaus;by (United States)Roger Lero by (United States)John G.S.;by (United States)Douglas T.K.; (United States)Lotte K.; by (United States)John McMurry;by (United States)Robert C.Fay;by (United States)Tom D.Daniels; by (United States)John C.; (United States)Sharon M.N.; (United States)Yoshi; by (United States)Joseph A.Zaitchik;by (United States)Roger E.Wiehe;by (United States)Howard Brown; by (United States)Fritz J.Erickson;by (United States)John A.Vonk;by (United States)Alan Pipes; by (United States)Fritz J.Erickson;by (United States)John A.Vonk;by (United States)H.L.Capron; by (United States)Fritz J.Erickson;by (United States)John A.Vonk;by (United States)David A.Castillon by (United States)Vaughan Merlyn;by (United States)John Parkinson;by (United States)Ron Sun;