Back in 1883, when girls were still considered young ladies, the Chestnut Street Female Seminary moved to a new home—a palatial mansion outside Philadelphia that was surrounded by 180 acres of tree-studded hills. The great house, above, was popularly known as Cooke’s Castle, after its owner, Jay Cooke. He, however, called it Ogontz, after a Wyandotte chieftain he had known when growing up in Sandusky, Ohio. The mansion, which had cost him a million dollars to build, contained fifty-two ornately decorated rooms; between its two wings was a conservatory that looked out upon an Italian garden, at the end of which was a wall designed to resemble the ruin of a castle. Cooke, the so-called financier of the Civil War, moved into Ogontz in time for Christmas in 1866. Over the next seven years innumerable parties were held there, and distinguished notables, domestic and foreign, were overnight guests.