John McGehee

As a boy I spent a summer on my grandfather’s farm in Mississippi. I learned a lot about farming. Grandpa taught me about hog rings, a piercing applied to a pig’s nose to prevent rooting (digging with its nose). He said they came in three sizes: pig, shoat and hog.

It was during my first job as a computer technician in high school that I developed the maxim: first check power, then check clocks .