| Company | Timeline | Status | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 1 Mar 2022←3 Years→28 Feb 2025 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 1 Oct 2009←11 Years→28 Feb 2021 | Active | |
| Engineering Timelines Director • Historian | 26 Jan 2004←7 Years→20 Dec 2011 | Dissolved | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 9 Oct 1996←10 Years→30 Sep 2007 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Historian | 21 Nov 1991←2 Years 10 Months→12 Oct 1994 | Active | |
| British Society For The History Of Science(The) Director • Historian | 15 Jun 1991←18 Years→1 Jul 2009 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 1 Jan 1970←24 Years→12 Oct 1994 | Active | |
