Clue 1: I was born in Oxford, England, in 1919. As a child, I enjoyed mythology.
Clue 2: My great-uncle, Henry Madan, suggested Mars's moons be named Deimos and Phobos.
Clue 3: When I was 11 years old, I came up with the name Pluto--the Greek god of the underworld--for a newly discovered planet. The Lowell Observatory officially named the planet Pluto.
Who am I?