Krzysztof Prętkiewicz was deleted as a result of an expired prod. (See Wikipedia:Proposed deletion for how it works). It was proposed that it be deleted for "d bio of living person, unencyclopedic tone, dubious notability" and no one challenged the proposal for 5 days.
I contacted the deleter to find out this (Soumyasch) --ILHI 15:35, 8 July 2007 (UTC)