Michael Johnson

The mind is absolutely instrumental in achieving results, even for athletes. Sports psychology is a very small part, but it's extremely important when you're winning and losing races by hundredths and even thousandths of a second.

I was only 8 years old on July 20, 1969, when Neil Armstrong, 38-year-old commander of 'Apollo 11,' descended the cramped lunar module Eagle's ladder with hefty backpack and bulky spacesuit to become the first human on the moon.