Harris Jr., NASA ènìyànrọ́nàut, first African American to walk in space Robert Henry Lawrence Jr., USAF lórímesai, first African-American ènìyànrọ́nàutJoan Higginngham, NASA Dokurọ́nàut, EnginMae JeLóòótọ́Lóòótọ́, NASA Dokumeut, Engin, physician, first African-American woman in spaCelelati d.. 