Titular Members: 0. Achmatowicz (Poland), 1979-1987; D. Hellwinkel (Federal Republic of Germany), 1979-1987, Vice-Chairman, 1981-1987; K. Hirayama (Japan), 1975-1983; A. D. McNaught (UK), 1979-1987; G. P. Moss (UK), 1977-1987, Chairman, 1981-1987, ViceChairman, 1979-1981; R. Panico (France), 1981-1989; W. H. Powell (USA), Secretary, 19791987; J. C. Richer (Canada), 1979-1987; P. A. S. Smith (US...