Thomas Midgley, Jr.: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | May 14, 2026 | ||
| Anniversary information added. | Oct 29, 2025 | ||
| First paragraph modernization. | Mar 27, 2024 | ||
| Modified link of Web site: National Inventors Hall of Fame - Thomas Midgley, Jr. | Jun 10, 2020 | ||
| Add new Web site: Famous Scientists - Biography of Thomas Midgeley Jr. | Nov 07, 2019 | ||
| Add new Web site: University of Houston - Engines of Our Ingenuity - Biography of Thomas Midgley, Jr. | Jan 29, 2019 | ||
| Details added on the discovery of tetraethyl lead and other steps in Midgley's career. | Oct 15, 2012 | ||
| Photograph added. | Oct 15, 2012 | ||
| Added new Web site: Ohio History Central - Biography of Thomas Midgley Jr. | Oct 30, 2007 | ||
| Added new Web site: National Inventors Hall of Fame - Thomas Midgley, Jr. | Oct 30, 2007 | ||
| Article revised. | Feb 08, 1999 | ||
| Article added to new online database. | Jul 20, 1998 |
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