My first job was teaching 9th grade physical science. While earning a Ph.D. in biophysics, I taught math to 3rd-7th graders at a private music academy.

During my 38 year career as a biochemical pharmacologist, I have taught nursing, graduate, medical, and postgraduate students from many backgrounds. I try to find how a student best learns, and the shape my presentation to fit the student's profile.

One of the best things about teaching is seeing the light go on when a student "gets it...