Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and aeronautical engineer, and the first person to walk on the Moon. He was also a naval aviator, test pilot, and university professor. When he stepped onto the lunar surface on July 21, 1969, he said: "That's one small step for [a] man, one giant leap for mankind." xxx, black and white photo, signed. Also includes magazine clipping and return mail.|||Length: 11 in (27.9 cm) Width: 8 in (20.3 cm)|登上太空第一人 尼爾·阿姆斯特朗 照片簽名|