All seven astronauts aboard died: Commander Francis Scobee, Pilot Michael Smith, Mission Specialist Ellison Onizuka, Mission Specialist Judith Resnik, Mission Specialist Ronald McNair, Payload Specialist Gregory Jarvis and McAuliffe.

NPR: Challenger: Reporting a Disaster's Cold, Hard Facts

On Thursday, Paulson hosts a much-hyped conference on business taxes (Treasury thinks they're too high) that includes all-star appearances by former Federal Reserve Chairman Alan Greenspan, FedEx chief executive Frederick Smith, Oracle President Safra Catz and Harvard professor Martin Feldstein, formerly President Ronald Reagan's top economic adviser.

FORBES: Magazine Article