Famous African-American Astronauts

This lecture introduce on Famous African-American Astronauts. Some famous African-American Astronauts are: Ronald McNair; Frederick D. Gregory; Charles F. Bolden, Jr.; Mae Jemison etc. Mae Jemison; who Discovered Fire Fighting Chemical Foam That Puts Out Gasoline Fires and a Treatment for Glaucoma. He was a co-investigator on bone cell research experiments conducted during the flight.