Intel has appointed only its eighth CEO in over 50 years, lining up Pat Gelsinger, currently CEO of VMware, to replace Bob Swan. Gelsinger is unique among Intel CEOs in not being an internal promotion, but that does not make him an outsider. He joined Intel from college and scored several notable firsts there – first as the architect of the 80486 processor in 1989 (the first Intel chip to use more than one million transistors); then as the company’s first ever CTO in 2000. The story of Gelsinger’s time as CTO offers insights into why Intel wanted him back, but also the difficulties he may face. He was a maverick and a visionary, who helped broaden Intel’s horizons beyond…