Kéré’s work has earned global acclaim over the past 20 years, and lately he’s in high demand, with a trio of megawatt projects in Las Vegas, Brazil, and Germany all in development at once. But these have come only after decades of honing his vision in service of, as he says, sheer necessities—building schools, clinics, libraries, and other structures across Africa, undertakings defined by Kéré’s innovative use of local materials, creative techniques to keep buildings cool, and relentless commitment to community buy-in.