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During my McGill years, I took a number of math courses, more than other students in chemistry.

Well it was not exactly a dissertation in logic, at least not the kind of logic you would find in Whitehead and Russell's Principia Mathematica for instance. It looked more like mathematics; no formalized language was used.

I was a mathematics major and really into math.

My father taught only math.

I did not take a calculus course until my second year of college.

I read one or two other books which gave me a background in mathematics other than logic.

In 1960, I enrolled in the chemical engineering program at UNAM, as this was then the closest way to become a physical chemist, taking math-oriented courses not available to chemistry majors.

I had a liberal arts education at Amherst College where I had two majors, mathematics and philosophy.

I have hardly ever known a mathematician who was capable of reasoning.