OSCAR ARIAS President of Costa Rica from 1986 to1990 and Nobel Peace Prize Winner in 1987, MICHAEL ATIYAH President of Pugwash Conferences on Science and World Affairs, SISSELA BOK Philosopher, Distinguished Fellow at Harvard Center for Population and Development Studies, FRANCESCO CALOGERO Professor of Theoretical Physics, University of Rome La Sapienza, FREEMAN DYSON Professor Emeritus, Institute for Advanced Studies, Princeton, USA VITALII GOLDANSKII General Director of the N.N. Semenov Joint Institute of Chemical Physics, Russian Academy of Sciences, MIKHAIL GORBACHEV General Secretary of the Communist Party and President of the Soviet Union from 1985 to 1991. He received the Nobel Peace Prize in 1990, JOHN HOLDREN Teresa and John Heinz Professor of Environmental Policy in the John F. Kennedy School of Government, Harvard University, SNADRA IONNO Executive Director of Student Pugwash USA, BRUCE KENT Chairman of the Campaign for Nuclear Disarmament (1987-1990) ROBERT, McNAMARA US Secretary of Defense (1961-68); President of the World Bank (1968-81), IWAO OGAWA Japanese scientist, JOHN POLANYI Professor, University of Toronto, ANATOL RAPOPORT Professor of Peace and Conflict Studies, University of Toronto, STANISLAV RODIONOV Senior Scientist, Institute of Space Research, Russian Academy of Sciences, JOSEPH ROTBLAT Nobel Laureate; Emeritus Professor of Physics, University of London, JASJIT SINGH Director, Institute of Defence Studies and Analyses, New Delhi, HERBERT YORK Chancellor Emeritus, University of California, San Diego.