I have had many opportunities to visit universities all over the world in the past 50 years..

I had changed from being a mathematician to a practicing scientist. I was increasingly embarassed that I could no longer follow some of the more mode….

At the age of 12, I developed an intense interest in mathematics. On exposure to algebra, I was fascinated by simultaneous equations and read ahead o….

I abandoned chemistry to concentrate on mathematics and physics. In 1942, I travelled to Cambridge to take the scholarship examination at Trinity Col….

I was a close observer of the developments in molecular biology..

Our children were mostly brought up and educated in the Churchill suburb east of Pittsburgh. Each summer, we took them back to England for an extende….

On my return to Pittsburgh, I resolved to go back to the fundamental problems of electronic structure that I had contemplated abstractly many years e….

In the war, most young men were inducted into the armed forces at the age of 17. A group of students was permitted to attend university before taking….

From an early age I was told that I was expected to do more than continue to run a small business. Education was important and seen as a way of movin….

Life with a scientist who is often changing jobs and is frequently away at meetings and on lecture tours is not easy. Without a secure home base, I c….

Leaving England was a painful decision, and we still have some regrets about it. However, at that time, the research environment for theoretical chem….

I am delighted to have had students, friends and colleagues in so many nations and to have learned so much of what I know from them. This Nobel Award….

I was approaching the age of 40 with a substantial publication record, but had not yet held any position in a chemistry department..

Looking through the list of earlier Nobel laureates, I note a large number with whom I became acquainted and with whom I interacted during those year….