
Photo Goya’s portrait of the Duchess of Alba, from 1797, has attracted attention at the “Treasures From the Hispanic Society of America” exhibition at the Prado Museum in Madrid. Credit Gianfranco Tripodo for The New York Times MADRID — The treasures of the Hispanic Society of America — works by Goya, Velázquez and El Greco, among other masters — are not a popular tourist draw at the group’s Beaux-Arts museum in Washington Heights. But through Sept …