Some time ago a group of present and former collaborators of Professor John O'M. Bock- ris, following a suggestion by Professor J. D. Mackenzie (Los Angeles), conceived the idea of an International Symposium devoted to reviewing the active and developing aspects of the science of electrochemistry. From this beginning has sprung the "Electrochemistry Symposium-The Past Thirty and the Next Thirty Years," which took place at Imperial College, London,...