Which Apollo 11 astronaut is renowned for saying "That's one small step for man, one giant leap for mankind"?

The statement "That's one small step for man, one giant leap for mankind" is famously attributed to Neil Armstrong. He uttered this phrase as he became the first human to set foot on the lunar surface during the Apollo 11 mission on July 20, 1969. Armstrong's words not only captured the monumental achievement of landing on the Moon but also represented the broader significance of this event for humanity as a whole. His careful choice of words underscores the momentous nature of space exploration and its implications for the future of mankind. The historical context of this quote highlights Armstrong's role as a pivotal figure in space history, distinct from the other astronauts listed, who each had their unique contributions but did not make this particular statement.