Thomas Otten Paine (November 9, 1921 – May 4, 1992), an American engineer, scientist, and advocate of space exploration, was the third Administrator of NASA, serving from March 21, 1969 to September 15, 1970.
During his administration at NASA, the first seven Apollo manned missions were flown, including the first ever manned lunar landing by Apollo 11.
Paine was also deeply involved in preparing plans for the post-Apollo era at NASA.