Some rich New Yorkers prefer publicly bending the world to their will—those gauche billionaires make us laugh and run the city, but where's the romance? Where's the mystery? Where are the Feeneys? Today the Times hones in on New York City's shadowy philanthropist of the moment, 47-year-old Joshua Rechnitz, who recently donated $40 million to build a velodrome and fieldhouse at Pier 5 next to the Brooklyn Bridge Park, and also purchased a warehouse/illicit art space in Gowanus referred to as The Batcave for $7 million.