Brainiac. Virtuoso. Polyhistor. Savant. Egghead. Prodigy. Sage. Bookworm. Natural. All of these are colloquial terms for genius, albeit the last definition of genius. Historically, genius is regarded as the guiding force, the tutelary spirit, the angel (or devil) on the shoulder. Let’s forgo the supernatural history and explore the mind-numbing diversity of today’s genius.