Gold is setting records again, boosting the holdings of central banks, Armageddon worrywarts, and ordinary people who own gold bars, coins and jewelry.
But few individuals stand to benefit as much as low-profile billionaire Thomas Kaplan. A New York-born commodities magnate who earned a doctorate in British colonial history at Oxford, Mr. Kaplan oversees an empire devoted largely to gold.[...] Mr. Kaplan is also president of the board of directors at New York's 92nd Street Y, a prominent cultural organization that is a magnet for New York's elite. And he is a benefactor of Eternal Jewish Family, a group dedicated to uniform rules governing conversions to Judaism whose leader resigned last year amid an alleged sex scandal. [...]