Denis Pankratov
Denis Pankratov ( ; born 4 July 1974 ) is a retired Russian butterfly swimmer of the 1990s , who was best known for winning the butterfly double at the 1996 Summer Olympics in Atlanta , United States in a unique style . 
<triplet> Denis Pankratov <subj> 4 July 1974 <obj> date of birth <subj> 1996 Summer Olympics <obj> participant in <triplet> 1996 Summer Olympics <subj> 1996 <obj> point in time