William Hayward Pickering: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Mar 11, 2026 | ||
| Anniversary information added. | Dec 20, 2025 | ||
| First paragraph modernization. | Apr 02, 2024 | ||
| Invalidated site: NASA - Biography of William Pickering. | Feb 25, 2019 | ||
| Media added. | Sep 02, 2016 | ||
| Changed year that Pickering received the National Medal of Science from 1976 to 1975. | May 19, 2010 | ||
| Added new Web site: New Mexico Museum of Space History - Biography of William H. Pickering. | Apr 18, 2008 | ||
| Added new Web site: The Encyclopedia of Earth - Pickering, William H. | Apr 18, 2008 | ||
| Added new Web site: Marlborough Online - Biography of Pickering, Sir William. | Apr 18, 2008 | ||
| Added new Web site: Notable American Unitarians - Biography of William Hayward Pickering. | Apr 18, 2008 | ||
| Added new Web site: NASA - Biography of William Pickering. | Apr 18, 2008 | ||
| Article revised. | Apr 15, 2004 | ||
| Article added to new online database. | Jul 20, 1998 |
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