"Eugenia Cheng can't help thinking like a mathematician. She also can't help thinking like a woman. After all, she's both. But there seems like there must be a clear tension. She had to learn to be a mathematician, for one thing, and-in the popular imagination, anyway-mathematics seems very "male," the domain of individualistic geniuses with terrible social skills, pursuing university tenure and fame. Those traits, however, aren't really what it means...