Astronaut Quotes and aphorisms about while Buzz Aldrin ,, If we go back to the moon, we're guaranteed second, maybe third place because while we are spending... Chris Hadfield Chris Hadfield ,, The International Space Station is a phenomenal laboratory, an unparalleled test bed for new invent... Chris Hadfield Chris Hadfield John Glenn Mae Jemison Scott Kelly Kalpana Chawla Kalpana Chawla