Nicholaus Copernicus was a Renaissance astronomer famous for his theory of heliocentrism. (TV: City of Death, AUDIO: The Galileo Trap)
He proved that the Sun was the centre of the Solar system, and that the Earth revolved around it. (PROSE: Space Talk)
He was dismissed by his contemporaries, but Galileo Galilei was later inspired by his work. (TV: The Lost Boy, AUDIO: The Galileo Trap)