The Second GEOP Research Conference was attended by about 80 persons, 34 invited and 46 observers. The conference was opened by W.H. Munk, general chairman of the conference, followed by M.G. Rochester of the University of Newfoundland, who delivered the keynote address. The keynote address in its entirety is printed on page 769 of this issue. This address and the following summaries of the sessions constitute a report on this conference.