by (United States)Jack Clark Francis;by (United States)Donald H.Sanders; by (United States)Jack Clark Francis;by (United States)Michael H.Pressman; by (United States)Brian Tierney;by (United States)Donald H.Menzel; by (United States)Paul Anderson;by (United States)Roald Z.Sagdeev; by (United States)Jack G.Plano;by (United States)R.H.Kraemer; by (United States)Lester Sdorow;by (United States)Donald J.Farish; by (United States)William Stallings;by (United States)Donald Hearn; by (United States)Jack C.Robertson;by (United States)Kevin Ryan; by (United States)Jack London;by (United States)Jack London; by (United States)Robert S.F.;by (United States)Donald E.K.;