Dr Jess Wade is an award-winning physicist specialising in plastic electronics, and a trailblazing campaigner for inclusion in STEAM fields. She won the Early Career Physics Communicator Award for outreach and the Jocelyn Bell Burnell Award for her outstanding research and widely covered activism. This notably included writing over 1200 Wikipedia pages in a year for women and people of colour working in science, and a campaign to get a copy of Angela Saini's book Inferior into every school in the UK. Follow her on Twitter under the handle @jesswade
Melissa Castrillon is an English/Colombian illustrator, currently based in Cambridge, England. She has a First class Honors Degree in Illustration and a Master's Degree in Children's Book Illustration from the Cambridge School of Art. She is the author-illustrator of Mighty Min and The Balcony, and the illustrator of If I Had a Little Dream and Yellow Kayak; she won the Gold Medal at the Society of Illustrators' annual exhibition. Follow her on Instagram under the handle @melissa.castrillon