by (United Kingdom)P.J.Fleming;by (United States)R.Feynman; by (United Kingdom)J.Culler;by (United States)R.Selden; by (United Kingdom)P.Rogers;by (United States)R.Sumner; by (United Kingdom)R.J.Leigh;by (United States)R.Larsen; by (United Kingdom)W.R.Ebbitt;by (United States)J.Flynn; by (United Kingdom)J.R.Whiteman;by (United States)W.Fleming; by (United Kingdom)N.S.Allen;by (United States)R.B.Cundall; by (United Kingdom)A.Jennings;by (United States)R.C.Ward; by (United Kingdom)K.A.Jensen;by (United States)R.E.Dodd; by (United Kingdom)K.J.Binns;by (United States)R.L.Gray;