There are more Indian students at American universities than those of any other foreign nationality. The successes of the growing Indian-American population have made it an influential minority in the US, including thousands of doctors and nurses, innovative Silicon Valley professionals (one of whom invented the Pentium chip, while another created Hotmail), the CEOs of Citigroup and Pepsi, two US astronauts, and the young governor of Louisiana – in addition to taxi-drivers, gas-station attendants, and clerks at all-night convenience stores.