 Andrea Barber is 48, teen screen actress of the 1990s who played the memorable role of Kimmy Gibbler in Full House. Harrison Smith is 89, American geologist, former NASA astronaut, university professor, former U.S. Senator of Mexico, and the most recent living person and the only person without a background in military aviation to have walked on the moon. And the fifth United States Secretary of Education from 1991 to 1993, Lamar Alexander, is 84. And that's a little bit of what happened and who you celebrate your birthday with if your birthday is today.