Chris Hadfield is a retired Canadian astronaut, engineer, and former commander of the International Space Station. He is best known for his time spent in space, during which he gained widespread popularity for his social media presence and his rendition of David Bowie's "Space Oddity" filmed aboard the ISS. Hadfield has authored several books, including "An Astronaut's Guide to Life on Earth" and "You Are Here: Around the World in 92 Minutes," which provide insights into his experiences in space and offer advice on life and leadership. His writing style is engaging and accessible, making complex scientific concepts relatable to a wide audience. Hadfield's contributions to literature have helped inspire a new generation of space enthusiasts and have brought the wonders of space exploration closer to the public.