User talk:Henrycammer

January 2019
Hello, I'm A 10 fireplane. I wanted to let you know that one or more of your recent contributions to David Spergel have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Thanks. A 10 fireplane Imform me 16:18, 14 January 2019 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at David Spergel. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. A 10 fireplane Imform me 16:19, 14 January 2019 (UTC)