User talk:98.64.204.179

October 2013
Hello, I'm Mark Arsten. I wanted to let you know that I undid one of your recent contributions, such as the one you made with this edit to William Thomson, 1st Baron Kelvin, because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Mark Arsten (talk) 02:28, 4 October 2013 (UTC)