AGE: 63
OCCUPATION: Founder and Chairman of MIT's Media Lab
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: Started the "One Laptop per Child" non-profit organization to extend Internet access in developing countries, developed the $100 Children's Machine laptop.
CON: Microsoft honcho Bill Gates has claimed the machines are not up to snuff, needing more power and better displays to accomplish the goal of leap-frogging the Third World into the 21st century.