I was heavily into sport from 10 to 15, I was in all the teams, and it was everything to me. But I was very young for my school year and when puberty kicked in for my classmates I got left behind.
It occurred to me in my junior year of high school. I got my first letter from a big college. I still have that letter to this day - a letter from Indiana.
The greatest grand challenge for any scientist is discovering how to prevent the spread of HIV and finding the cure or an effective vaccine for AIDS.

