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"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."
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"The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow."

"Our population is headed for a stable plateau, which means an aging population."

"Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child."

"The optimum population is, then, less than the maximum."

"You wouldn't believe how the town was named for me. I was met by the whole population, headed by the mayor."

"Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent."

"My patient population has a low recidivism rate, but if they haven't made up their minds that it is permanent, then of course, they will fail."

"Three-quarters of the world's population doesn't have enough to eat!"

"I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as a separate genus - occurred at a peripheral location, indeed usually at the most isolated peripheral location."

"Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio."
Explore more quotes by Walter Kohn


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


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


"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."


"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."


"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."


"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 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."


"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."


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