Maggie Aderin-Pocock is a space scientist developing telescopes and instruments for satellites. Her passion for communicating her science has also led her back into the classroom, into filming documentaries and appearing on prime time TV with Jeremy Paxman.
Chuck Gill caught the space bug as a child when watching Alan Shepherd launch into space. Since then he's worked as a US Air Force navigator, a satellite operator, and in the US intelligence service. These days he's busy reducing carbon emissions and preparing London for the 2012 Olympics. Plus went to see him to find out more about his career.