SpaceX was founded in 2002 by whom?

A. Edwin Hubble
B. Carl Sagan
C. Vera Rubin
D. Elon Musk

SpaceX

Space Exploration Technologies Corp. is an American spacecraft manufacturer, space launch provider, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk, with the goal of reducing space transportation costs to enable the colonization of Mars. Wikipedia