Frederick D. Gregory
Frederick Drew Gregory (Colonel, USAF, Ret.) is a former NASA astronaut and former NASA Deputy Administrator. He also served briefly as NASA Acting Administrator in early 2005, covering the period between the departure of Sean O'Keefe and the swearing in of Michael Griffin.
Read more about Frederick D. Gregory: Personal Data, Education, Organizations, Special Honors, NASA Experience, Space Flight Experience
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—Frederick Douglass (c.1817–1895)
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—Dr. Gregory (18th century)