He was, above all, interested in things. He wanted to know why things worked, but unlike some scientific minds, he didn’t lose interest once he knew. The world was an endless source of fascination and wonder. On our way back from town, he whipped out a magnifying lens to show me what he called a “wheel bug”—a bizarre insect with a thick body and tiny head, and a strange ridge on its back. “Look at him!” Ingold said, clearly delighted.

