User talk:2001:A62:411:2F01:436:E627:C2FC:C807

Please do not add unreferenced or poorly referenced information, especially if controversial, to articles or any other page on Wikipedia about living (or recently deceased) persons, as you did to Jeffrey Ullman‎. Thank you. —David Eppstein (talk) 06:13, 8 June 2021 (UTC)

Please stop adding unreferenced or poorly referenced biographical content, especially if controversial, to articles or any other Wikipedia page, as you did at Jeffrey Ullman. Content of this nature could be regarded as defamatory and is in violation of Wikipedia policy. If you continue, you may be blocked from editing Wikipedia. —David Eppstein (talk) 07:25, 8 June 2021 (UTC)