Happy 91st birthday to Harrison "Jack" Schmitt Selected in NASA group 4 (1965), Schmitt was the only geologist in the astronaut corps and the sole true scientist to walk on the Moon in December 1972. During Apollo 17, Lunar Module Pilot Schmitt spent 12 days 13 hours in space, staying 75 hours on the lunar surface of which 22 hours during lunar spacewalks collecting 111 kilogram lunar samples. Schmitt, the next-to-last person to have walked on the Moon, retired from NASA in 1975 and became a US senator in June 1976. Schmitt had a career as adjunct professor of engineering physics and consultant in geology & spaceflight. As Apollo 17 commander US Navy Captain Eugene Cernan always said, "I became an amateur-geologist but Harrison became a good jet pilot!" This 1980 photo shows NASA astronaut professor Harrison Schmitt wearing an applied logo dial Omega Speedmaster 105.012-66 or 145.012-67 wrist chronograph (Photo: NASA/US Senate)













