Mercury Seven Col. John "Shorty" Powers, who as a result became known in the press as the "eighth astronaut". They wrote first-hand accounts of their selection and preparation for the Mercury missions in the 1962 book "We Seven". Additionally, each of them separately wrote at least one book describing their astronaut experiences. In 1979, Tom Wolfe published a less sanitized version of their story in "The Right Stuff". Wolfe's book was the basis for the film of the same name directed by Philip Kaufman. The five Tracy brothers from the TV series "Thunderbirds" were named after five of the Mercury Seven astronauts.
Seven of Seven most of whom resemble Nana's split personalities. A segment of the episode featuring Mutsumi takes place at the cherry tree seen frequently in "Seven of Seven". In Volume 18 of the manga, a ninja named "Nana" is introduced. She looks identical to Nana from Seven of Seven. She also had six copies, each one with a personality matching the various Nanas from Seven of Seven. Seven of Seven The TV series premiered January 10, 2002 on TV Tokyo and finished in run on June 27, 2002, totaling 25 episodes. A New Year's special episode was included in the seventh DVD