Thursday, Mar. 19, 2009

Craig Venter

AGE: 62
OCCUPATION: Geneticist
PREVIOUS APPEARANCES ON THE TIME 100: 2

PRO: The genome-research pioneer is focusing on the environment, developing clean-burning biofuels and microbes that can turn coal into easier-to-manage methane gas.

CON: His plan to install "micro-refineries" around the world is ambitious — and expensive.