outsiders staring at them. Next, Dwyer took his visitors downstairs to see Renaissance’s data group, where over thirty PhDs and others—including Chinese nationals and a few newly hired female scientists—were usually deep in thought near whiteboards filled with intricate formulas. The job of these scientists, Dwyer explained, was to take thousands of outside data feeds pumping nonstop into the company and scrub them clean, removing errors and irregularities so the mathematicians upstairs could use the information to uncover price patterns.
