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Acclaimed Physicist Updated: 2006-02-10 18:44:00 Description: CBS News' Dr. Mallika Marshall salutes acclaimed physicist and astronaut Ronald McNair....more... LISTEN NOW | VIEW CACHE | DOWNLOAD PC Architect Updated: 2006-02-10 18:44:00 Description: CBS News' Dr. Mallika Marshall salutes Dr. Mark Dean who helped make possible an essential machine -- the personal computer....more... LISTEN NOW | VIEW CACHE | DOWNLOAD Contributions To Public Safety Updated: 2006-02-10 18:44:00 Description: CBS News' Dr. Mallika Marshall salutes inventor Garrett Morgan, whose inventions range from traffic signals to a gas mask that helps firefighters breathe. ...more... LISTEN NOW | VIEW CACHE | DOWNLOAD Launched Into History Updated: 2006-02-10 18:44:00 Description: CBS News' Dr. Mallika Marshall salutes Dr. Mae Carol Jemison, the first African American woman to launch into orbit who now works to help those closer to the ground....more... LISTEN NOW | VIEW CACHE | DOWNLOAD |
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