Pretty much all of them. The Christian Brothers (FSC, not Irish) put the polish on what the nuns (SSND) had started. Then college, where I found out that I wasn't cut out for theoretical chemistry and that a computer (now) can do what I couldn't do and do it better and faster.

By grad school I'd matured a LOT, because that came after a stint where people shot at me. Some folks there had a problem with me "If I need programming done I'll hire a programmer, not do it myself" philosophy, but they were students and not the profs. 3.75/4.00 GPA in grad school....