In 1931 at the Massachusetts Institute of Technology, Dr. Edgerton invented an electronic lamp that made stroboscopic photographs like this possible. Edgerton commented in his book Flash!: "...the kicker is Wesley E. Fesler, onetime all-American star at Ohio State, and the ball is inflated to the normal playing pressure of approximately 13 pounds to the square inch. Measurements show that the boot penetrates at least half the diameter of the ball. At the top of the ball, note the dust suspended in mid-air as the rapidly accelerated ball leaves."