We slowly retraced our steps, leaving only our footprints behind.

BBC: On the hunt with Hemingway

And the first man to leave footprints in the lunar dust, Apollo 11 Commander Neil Armstrong -- aside from geologist Schmitt, the only other civilian in the collection of moonwalkers -- later sat on several corporate boards and the presidential commission that investigated the 1986 Challenger space shuttle disaster.

CNN: After walking on moon, astronauts trod various paths