Answer :
I believe the Apollo 11 astronaut that did not set foot on the moon was Michael Collins. :)
People who walked on the moon in the Apollo 11 mission: Neil Armstrong, Buzz Aldrin
Michael Collins did not set foot on the moon in the Apollo 11 mission (or ever.) He is 84 years old and still alive.
Michael Collins did not set foot on the moon in the Apollo 11 mission (or ever.) He is 84 years old and still alive.