Dr. Jackie Wahrmund taught my first class on the morning of my first day of college at the University of Kentucky--Animal Science 101: Domestic Animal Biology, an auditorium full of over a hundred eager freshmen. About half of them hoped to be veterinarians someday, only to have their dreams crushed a month later after their first chemistry exam. But this was a class we would all come to look forward to every week. We got to learn about what we were all passionate about, and Dr. Wahrmund made the class...