User talk:Derickh

December 2008
Welcome to Wikipedia. The recent edit you made to John Bardeen has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. -- IRP ☎ 23:19, 4 December 2008 (UTC)