Famous Scientists: Ronald Fisher

An out-of-this-world resource introduces young scientists to four African American astronauts: Michael P. Anderson, Ronald E. McNair, Guion S. Bluford Jr., and Jeanette J. Epps. Groups read biographies of these individuals and prepare...

Learn about the life and contributions of Ronald Ross in this article.

On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded 73 seconds after takeoff. On board was physicist Ronald E. McNair, who was the second African American to enter space. But first, he was a...