Jerusalem Winter School for Theoretical Physics (4th 1986-1987 Jerusalem), Jerusalem Winter School for Theoretical Physics (4th : 1986-1987 : Jerusalem), Tsvi Piran, John N. Bahcall and Steven Weinberg
Isaac Asimov, George Zebrowski, Martin H. Greenberg, James E. Gunn, Steven Weinberg, Stanisław Lem, Clifford D. Simak, Gregory Benford, Laurence Manning, Brian W. Aldiss, A. E. van Vogt, Carl Sagan, Arthur C. Clarke, Raymond Z. Gallun, Eric Frank Russell, H. G. Wells, Chad Oliver, Theodore L. Thomas, Richard McKenna and Ian Watson
Jerusalem Winter School for Theoretical Physics (2nd 1984-1985 Institute for Advanced Study of the Hebrew University), Jerusalem Winter School for Theoretical Physics 1984-1985 Institute f and Steven Weinberg