Elon Musk, Mark Zuckerberg, and Jeff Bezos have each taken a turn as technology’s alpha dog, but none of them can claim that title now. Musk has become a polarizing figure, drained of all mystique. Zuckerberg sold us on a social-media dream that turned out to be a nightmare. Bezos self-ejected from the CEO chair at Amazon, so he could make rockets and frolic on his yacht with his fiancée. (Good for him.) At the top of the tech world, a vacancy now looms like a missing tooth. In the months after ChatGPT was released, in November 2022, it seemed as though it might be filled by Sam Altman, the CEO of OpenAI—but he doesn’t yet have the requisite longevity. (Zuckerberg was in a similar position in 2010, before he acquired Instagram and WhatsApp.) The AI boom has, however, produced another contender in Jensen Huang, the 61-year-old CEO of Nvidia. Rather than manufacture chatbots or self-driving cars themselves, Huang’s company develops the fantastically intricate chips that make them possible. Read: The lifeblood of the AI …