Williams, G.G. and Hartmann, D.H. and Park, H.S. and Ables, E. and Bionta, R. and Ott, L. and Parker, E. and Band, D.L. and Barthelmy, S.D. and Butterworth, P.S. and Cline, T.L. and Gehrels, N. and Ferguson, D.H. and Fishman, G.J. and Meegan, C.A. and Kouveliotou, C. and Hurley, K.