Most buildings from that time period wouldn't have leaned into too much natural light and large windows, because residential AC was far from common. That said,

Most buildings from that time period wouldn't have leaned into too much natural light and large windows, because residential AC was far from common. That said, for the time, Wright used a lot of glass, though from looking through pictures online it seems he did less so in his LA buildings. I'm guessing it'd be in response to the climate. That said, "large and angular" fits his style pretty accurately. Though the most indicative aspect of his designs is the layering. A lot of his buildings are built to have a very particular look of being made up of mostly flat horizontal layers of various thicknesses, protruding or retracting from the layers below them in varied shapes. Often these leaned heavily into having a lot of right angles, but when he used curves, he leaned hard into them: The Norman Lyke's House or The Center for the Performing Arts in San Jose are example of extremely curvy buildings still unmistakably in his style. Ultimately, Wright's enduring fame can be easily understood by the fact that he was novel, consistent, and prolific. His style was (and to only a slightly lesser extent, still is) new and different from most everything else, and he stuck to it enough that people could recognize his work in particular. Combine that with designing quite a few buildings, and you've got yourself a recipe for the most famous architect ever.