1942
Born to Noah Horace Sr. and Desma (Chaney) Mann in Monroe, NC.
1962
Earns a Bachelor of Science from Hampton Institute.
1963
Marries Walter Lee Darden Jr. on June 13.
1964
Is a mathematics teacher at Norcom High School through 1965.
1965
Is a research assistant and mathematics instructor at Virginia State College.
1967
Earns a Master of Science from Virginia State College.
1967
Works as a data analyst for NASA Langley Research Center.
1973
Works as an aerospace engineer for the NASA Langley Research Center through 1999.
1983
Earns a Doctor of Science from George Washington University.
1989
Works as technical lead for Sonic Boom Minimization at the NASA Langley through 1994.
1990
Receives the Dual Career Award for Design and Implementation of the Langley Sonic Boom High-Speed Civil Transportation Program.
1995
Receives the NASA Gold Medal for Leadership and Contributions in Sonic Boom Technology.
1999
Is a member of the Sr. Executive Service of the US Civil Service as director of the NASA Langley Aero-Performing Center Program Management Office.
2002
Is an associate fellow of the American Institute of Aeronautics and Astronautics.
2002
Is appointed assistant director of NASA Langley Research Center for Strategic Planning.
2018
Works as board member of the Astronomical Society of the Pacific.
2019
Is a member of the Hampton Roads Federal Facility NASA Langley Advisory Committee.
2019
Is a member of the Board of Directors of the Virginia Air and Space Museum.