DuPont

<p><span class="deck">When Pierre S. du Pont bought the deteriorated Longwood Gardens in 1906, he thought that owning property was a sign of mental derangement. Still, he worked hard to create a stupendous fantasy garden, a place, he said, “where I can entertain my friends.”</span></p>

<p><span class="deck">In a century of technological revolutions, this was perhaps the quietest.</span></p>