William Sanford "Bill" Nye, popularly known as Bill Nye the Science Guy, is an American science educator, television presenter, and mechanical engineer. Scientist, comedian, teacher, and author, Bill Nye is best known as the host of the PBS children's science show Bill Nye the Science Guy (1993–1998), and for his many subsequent appearances in popular media as a science educator. Currently, Nye is The Planetary Society’s CEO. It’s the world’s largest non-profit space interest group with members...