Ewa Solarz (author) is an art historian, independent curator of educational exhibitions and author of books for children and teenagers. She made her debut with the book DESIGN, which was translated into 14 languages. Her other books have been awarded and nominated in numerous competitions, including twice winning the award of the Polish Section of the IBBY Awards in the Book of the Year category. She lives and works in Warsaw, Poland.

Robert Czajka (illustrator) is a painter, graphic artist, illustrator and designer of award-winning paper toys for children. He was the winner of the Polish Section of the IBBY 2018 Award in the Illustrations and Graphic Concept category for I See Everything as Art, a children's book about Polish contemporary art with text by Ewa Solarz. Robert lives and works in Warsaw, Poland.