I used to believe there were people on Mars, and of course now we know there aren't. Mars held particular interest. I was curious what kind of beings they would look like.

Tombaugh (1906–1997)".

Although he is best known for discovering the dwarf planet Pluto in 1930 the first object to be discovered in what would later be identified as the Kuiper belt Tombaugh also discovered many asteroids; he also called for the serious scientific research of unidentified flying objects.