User:D.H

{{semi-retired}}

Main contributions, mostly concerned with the history and tests of special relativity, between 2006-2014: [https://en.wikipedia.org/w/index.php?title=User:D.H&oldid=760846351 See this list]

Main contributions between 2017-2020: [https://en.wikipedia.org/w/index.php?title=User:D.H&oldid=835228912 See this list]