Harrison Schmitt was an American astronaut in NASA's Apollo program. He was a crewmember, along with Cernan and Evans, on Apollo 17.
In 1986, Schmitt was depicted on the cover of OMNI magazine. (Star Trek IV: The Voyage Home)
In 2143, the assignment patch for this mission was on display in the 602 Club. The patch bore the astronaut's last name. (ENT: "First Flight")