Published online by Cambridge University Press: 20 November 2018
On behalf of the Canadian Mathematical Congress, I wish to thank the University of Toronto for its hospitality, the members of the Local Arrangements Committee (especially Chandler Davis) for the many comforts and pleasures they have provided, and our nine distinguished visitors for the courses of lectures they gave at our Seminar.
Presidential address delivered to the Canadian Mathematical Congress at the joint meeting with the Mathematical Association of America in Toronto, August 28, 1967.