Harrison Schmitt credits the image to the entire Apollo 17 crew. While on the Moon's surface, Schmitt — the only geologist in the astronaut corps — collected the rock sample designated Troctolite 76535, which has been called "without doubt the most interesting sample returned from the Moon". Among other distinctions, it is the central piece of evidence suggesting that the Moon once possessed an active magnetic field. As he returned to the Lunar Module before Cernan, Schmitt is the next-to-last person to have walked on the Moon's surface. After the completion of Apollo 17, Schmitt played an active role in documenting the
Apollo 17 the second Apollo 17 EVA. The orange soil then becomes the major driver of the plot of the rest of the story. The 2005 novel "Tyrannosaur Canyon" by Douglas Preston opens with a depiction of the Apollo 17 moonwalks using quotes taken from the official mission transcript. Additionally, there have been fictional astronauts in film, literature and television who have been described as "the last man to walk on the Moon," implying they were crew members on Apollo 17. One such character was Steve Austin in the television series "The Six Million Dollar Man". In the 1972 novel "Cyborg", upon