Edwin Eugene "Buzz" Aldrin (born 1930) and fellow American astronauts Neil Armstrong and Michael Collins received world-wide recognition for their Apollo 11 lunar spaceflight in July of 1969. Aldrin, who followed Armstrong from the lunar landing module Eagle, became the second person to ever walk on the moon.
Riddles can be a question with a quick witty answer. They can be just a sentence that makes you have a sudden realization. Whatever your definition, one thing is clear: riddles will riddle us for years to come.