by (United Kingdom)G.Lukacs;by (United States)G.R.Kaiser; by (United Kingdom)G.R.Walsh;by (United States)M.A.Wolfe; by (United Kingdom)A.Lande;by (United States)G.Ludwig; by (United Kingdom)T.D.Lee;by (United States)G.D.Mahan; by (United Kingdom)G.Leech;by (United States)S.A.Leonard; by (United Kingdom)L.Woolf;by (United States)G.Moore; by (United Kingdom)G.L.Pandit;by (United States)K.Seifert; by (United Kingdom)H.J.Sachs;by (United States)J.G.Roloff; by (United Kingdom)O.L.R.Jacobs;by (United States)G.Knowles; by (United Kingdom)K.Hoffman;by (United States)G.Klanvauer;