- 05:58, 15 January 2007 diff hist +18 N File:Checker-headshot-closed.png 1650x2135 headshot current
- 03:44, 15 January 2007 diff hist +3 N MediaWiki:Bio New page: Bio current
- 11:18, 14 January 2007 diff hist +20 Main Page
- 11:02, 14 January 2007 diff hist −52 Main Page
- 10:58, 14 January 2007 diff hist −23 Main Page
- 10:52, 14 January 2007 diff hist +23 Main Page
- 10:50, 14 January 2007 diff hist −23 Main Page
- 10:49, 14 January 2007 diff hist +23 Main Page
- 10:40, 14 January 2007 diff hist +15 Main Page
- 10:40, 14 January 2007 diff hist +33 Main Page
- 10:39, 14 January 2007 diff hist +5 Main Page
- 10:28, 14 January 2007 diff hist +9 Main Page
- 10:27, 14 January 2007 diff hist +1,901 Main Page
- 09:59, 14 January 2007 diff hist +58 N Contact New page: Chris Hecker http://chrishecker.com checker 'at' d6.com
- 09:42, 14 January 2007 diff hist +7 N MediaWiki:Contact New page: Contact current
- 09:19, 14 January 2007 diff hist −149 Main Page
- 04:19, 4 September 2006 diff hist +3,507 User:Checker/myskin.css current
- 03:55, 4 September 2006 diff hist +3,152 N User:Checker/myskin.css
- 03:43, 4 September 2006 diff hist −134 MediaWiki:Sidebar current
- 02:31, 19 July 2006 diff hist +2 N Category:Physics
User contributions