My father taught a freshman chemistry course at Yale for one semester, back in the '40s. Apparently he held the students to a high standard and decided not to g

My father taught a freshman chemistry course at Yale for one semester, back in the '40s. Apparently he held the students to a high standard and decided not to grade on a curve. The result was that about half the students failed the course. The Dept. of Chemistry was not happy. That was the end of his teaching career at Yale.