1955 Th. AGHNIDES (Greece) Chairman R. ASHA (Syrian Arab Republic) C. BLANCO (Cuba) E. CARRIZOSA (Colombia) I.V. CHECHETKIN (USSR) A.H. CLOUGH (United Kingdom of Great Britain and Northern Ireland) A. GANEM (France) W.O. HALL (United States of America) G.R. KAMAT (India)