Walter Kohn

I was born in 1923 into a middle class Jewish family in Vienna, a few years after the end of World War I, which was disastrous from the Austrian point of view.

In particular, I established a reasonably accurate energy threshold for permanent displacement of a nucleus from its regular lattice position, substantially smaller than had been previously presumed.

On another level, I want to mention that I have a strong Jewish identity and - over the years - have been involved in several Jewish projects, such as the establishment of a strong program of Judaic Studies at the University of California in San Diego.

My father, who had lost a brother, fighting on the Austrian side in World War I, was a committed pacifist.

However, while the Nazi barbarians and their collaborators threatened the entire world, I could not accept his philosophy and, after several earlier attempts, was finally accepted into the Canadian Infantry Corps during the last year of World War II.

My commitment to a humane and peaceful world continues to this day.

I have just joined the Board of the Population Institute because I am convinced that early stabilization of the world's population is important for the attainment of this objective.

I was fortunate to find an extraordinary mathematics and applied mathematics program in Toronto.

During one or two summers, as well as part-time during the school year, I worked for a small Canadian company which developed electrical instruments for military planes.

Originally I had planned to revert to nuclear physics there, in particular the structure of the deuteron.

My project was radiation damage of Si and Ge by energetic electrons, critical for the use of the recently developed semiconductor devices for applications in outer space.