James Montgomery "Jimmy" Doohan was an Irish-Canadian character and voice
actor best known for his role as Chief Engineer Montgomery “Scotty” Scott in
the TV and film series Star Trek. Following his success with Star Trek, he
supplemented his income and showed continued support for his fans by
making numerous public appearances. On July 20, 2005, Doohan died
at his home in Redmond, Washington. He was 85. 

Buzz Aldrin , retired United States Air Force pilot and astronaut who was the Lunar Module pilot on Apollo 11, the first manned lunar landing in history. On July 20, 1969, he was the second human being to set foot on the Moon, following mission commander Neil Armstrong.

                                       Aldrin on the Moon