You had to be cautious with analogies in the wilds of high-dimensional mathematics, where intuition could not guide you. Peter Leadenhall knew that—he insisted upon it—yet caution was not prohibition. In his work, analogies had bridged vexing chasms. He never told anyone (but I knew) that he’d cracked the world models, at last, with a line of poetry. The mighty industry of the cooperativos, balanced on the tip of Auden’s pencil.
