Who were Harrison Schmitt and Eugene Cernan?

Harrison Schmitt and Eugene Cernan are two of the three crew members of the Apollo 17 mission, the last manned mission to the moon. Eugene Cernan was the commander of Apollo 17 and the last man to walk on the moon to date. Harrison Schmitt is a geologist, and a Harvard graduate, as well as the second to last person to walk on the moon to date.