Gates has the ferocious focus that allowed him to spend thousands of hours writing code, and he still seems more comfortable with technology than he is with people.
The Great Introverts and Extroverts of Our Time
Herewith, TIME's unscientific survey of loud (and quiet) giants — it takes both kinds to make history. Read the related TIME cover story, "The Upside of Being an Introvert," available to subscribers here.
Bill Gates, CEO, Philanthropist