Michael Griffin: References & Edit History
Article Contributors
Primary Contributors
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David C. Hayes
Freelance Science Editor, Encyclopædia Britannica.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Oct 28, 2025 | ||
| First paragraph modernization. | Apr 29, 2024 | ||
| Noted that he stepped down as undersecretary of defense for research and engineering. | Mar 02, 2022 | ||
| Modified link of Web site: NASA - Biography of Michael Griffin. | Jul 06, 2018 | ||
| Noted that he served as chairman and CEO of the Schafer Corporation before becoming undersecretary of defense for research and engineering at the U.S. Department of Defense. | Jun 28, 2018 | ||
| New article added. | Aug 14, 2009 |
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