Neil Armstrong

Neil Armstrong was an American astronaut and a member of the Apollo 11 mission. As far as the majority of humanity was aware, he was the first man to walk on the Moon on 20 July 1969. (TV: Day of the Moon, PROSE: Who Killed Kennedy)

It was not generally known that dozens of people had set foot on the Moon prior to Armstrong as the United States government had built a moonbase on the far side of the Moon in the 1960s using alien technology. It was destroyed by the Sixth Doctor on 23 November 1963, (AUDIO: 1963: The Space Race) but by 1969 both the Americans and the Russians had moon bases once more. (PROSE: Moon Blink) Furthermore, the Sixth Doctor and Peri Brown visited Mare Nectaris on the Moon in 1872. (AUDIO: The First Sontarans)

The Eleventh Doctor interfered with the transmission of the Moon landing with the help of the former FBI agent Canton Everett Delaware III. At the crucial moment that Armstrong set foot on the Moon, they inserted footage of a Silent ordering for its kind to be killed on sight. (TV: Day of the Moon)

After planting the flag on the Moon upon leaving Apollo 11, Armstrong heard "a kind of wheezing, groaning noise", which seemed to make the flag flutter in the vacuum. (PROSE: Blue Moon)

Martha Jones and the Tenth Doctor watched Armstrong walking on the Moon four times. (TV: Blink) Iris Wildthyme claimed to have given Neil and Buzz a fright when she drove up out of a crater flashing her TARDIS' headlights. (PROSE: Minions of the Moon)

The Eleventh Doctor once had blueberry muffins with Neil Armstrong. (PROSE: Horror of the Space Snakes)

Legacy
Preparing to regress his physical age using a hypersonic soundwave manipulator, Professor Richard Lazarus announced to his audience that this was "the biggest leap since Armstrong stood on the Moon." (TV: The Lazarus Experiment)

When the Monks invaded Earth they broadcast a fake history implying that they were on the Moon to greet Neil Armstrong. (TV: The Lie of the Land)

Verso listed Neil Armstrong as one of the things the Quire had learned about from studying the Braxiatel Collection. (PROSE: Anightintheninthage)

When at a NASA in 2017, Bill Potts questioned if the picture on the wall was of Neil Armstrong. The Twelfth Doctor noted that Armstrong was "not quite the first" man on the moon, noting that it was a rather human-centric question for Bill to ask. (TV: Empress of Mars)