IT MIGHT SEEM ODD to consider Hyde Park your own backyard, but Julia Miller did. Growing up in London, she’d ridden there almost daily for as long as she could remember, from her very first pony when she was a child to the thoroughbred mares that followed. People waved at her whether they knew her or not, simply because they were so used to seeing her there. The ton,
shop clerks cutting across the park on their way to work, gardeners, they all noticed Julia and treated her like one of their own.
Tall, blond-haired, and fashionably dressed, she always returned the smiles and waves. She was...