Helen Sharman
Helen Sharman grew up in Sheffield, UK. She graduated from university with a degree in chemistry, and went on to study for a PhD. After university, she worked as an engineer and as a chemist. One of her jobs involved working on the science of chocolate flavours!
Buzz Aldrin
Buzz grew up in New Jersey, USA. After school, Buzz went to a Military Academy where he got a Bachelor's degree in Mechanical Engineering. He then joined the US Air Force and flew as a fighter pilot during the Korean War. After the war, he completed a PhD in Astronautics at MIT.
Sheila Kanani
Occupation: Planetary Physicist and Communicator
Year born: 1983