McCray, R. and Ostriker, J.P. and Acton, L.W. and Bahcall, N.A. and Bless, R.C. and Brown, R.A. and Burbidge, G. and Burke, B.F. and Clark, G.W. and Cordova, F.A.
Margon, B. and Canizares, C. and Catura, R.C. and Clark, G.W. and Fichtel, C.E. and Friedman, H. and Giacconi, R. and Grindlay, J.E. and Helfand, D.J. and Holt, S.S.