An American astronomer who discovered the first galaxies outside the Milky Way.
He noticed that these galaxies are flying away from us, and hence his work is a pre-condition for the theory of Big Bang .
Hubble was quite a man, accomplished in many fields. Wikipedia writes:"In his younger days, he was noted more for his athletic prowess than his intellectual abilities, although he did earn good grades in every subject except for spelling. Edwin was a gifted athlete playing baseball, football, basketball, and he ran track in both high school and college. He played a variety of positions on the basketball court from center to shooting guard. In fact Hubble even led the University of Chicago's basketball team to their first conference title in 1907.He won seven first places and a third place in a single high school track and field meet in 1906."
First telescope in space is named after Edwin Hubble.