So far, “Turing’s Cathedral” by George Dyson is the best von Neumann biography I’ve found—though it’s not explicitly a biography of him, but of the development

So far, “Turing’s Cathedral” by George Dyson is the best von Neumann biography I’ve found—though it’s not explicitly a biography of him, but of the development of the computer (and the Princeton IAS). It includes lots of other characters who played their parts, but von Neumann is clearly at the center.