The planets are never the same twice, they're always different, so they could compare the markings I had drawn with their current photographs and they knew that I was drawing what I was really seeing and it wasn't copied from somewhere.

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.