Dr. Neil deGrasse Tyson is a famous astrophysicist and TV personality. He is notable for his stance to move Pluto to “dwarf planet” status. Tyson has served on a number of astronomy commissions and is the director of the Hayden Planetarium. He also hosts PBS’s NOVA scienceNOW.

Dr. Neil deGrasse Tyson is a famous astrophysicist and TV personality. He is notable for his stance to move Pluto to “dwarf planet” status. Tyson has served on a number of astronomy commissions and is the director of the Hayden Planetarium. He also hosts PBS’s NOVA scienceNOW.