Wikipedia:Articles for deletion/John Langford (computer scientist)
Simple search reveals his http://research.yahoo.com/bouncer_user/40 Yahoo Research profile, with ample evidence of citations, etc. Appears to satisfy 
— User:ZimZalaBim, 21:26, 9 February 2009 (UTC)
Stance: keep
Cited policy: WP:PROF (Wikipedia:Notability)