John K.

I majored in math at Vassar College and have been teaching it, formally and informally, ever since. I started tutoring classmates in high school, kept doing it through college, and have never really stopped — peers, relatives, kids in the neighborhood, anyone who asked. After college I served with AmeriCorps in Eudora, Arkansas, teaching math in high schools, and received the President's Volunteer Service Award for that work. I also spent many years as a computer programmer, which changed how…