 Khovanov was a faculty member at UC Davis before moving to Columbia University.Steve Wittman

Sylvester Joseph "Steve" Wittman (April 5, 1904 – April 27, 1995) was an air-racer and aircraft designer and builder.An illness in Wittman's infancy claimed most of his vision in one eye, which convinced him from an early age that his dream of flying was unattainable.