article_snippet.sent: Blavatnik, pictured with singer Katherine Jenkins .
article_snippet.sent: The son of two Jewish academics, his emigrated to New York in 1978 and became a US citizen in 1984.
article_snippet.sent: Blavatnik has two daughters and two sons with Blavatnik American wife, Emily Appelson.
article_snippet.sent: At Blavatnik 50th birthday party, Blavatnik surprised Blavatnik by dancing with a troupe of professionals in a Russian ballet.