Professor Raman Prinja, Departmental Head of Physics and Astronomy at University College London (UCL), is a preeminent astronomer as well as being a passionate advocate for outreach to children of all backgrounds to invite them into the fold of astronomy. He is an inspiring figure for children around the world, and his passion for astrophysics is infectious. His expertise is internationally admired, and he loves to spread the joy of learning through events and community engagement.

Jan Bielecki is a Polish Swedish illustrator and designer living in London. He mainly works with children's books and has illustrated fiction, picture books, and nonfiction. Some of the topics he has covered include the human anatomy, wrestling trolls, the scope of the universe, and slimy monsters. He illustrated and designed Stephen and Lucy Hawking's Unlocking the Universe , as well as many of the most exciting covers put out by Puffin UK in recent years.