Lorenzo Coltellacci is the author of several graphic novels and picture books published in French and Italian, including a graphic novel biography about Escher. In 2019, he founded his own independent comic book label, Coltello Comics. He has a degree in Foreign Languages and International Cooperation and works in digital communication.
Lorenzo Sangió is an award-winning illustrator of children's books. In 2021, he won popular children's retailer Città del Sole's Illustrator of the Year Award. He studied at the Academy of Fine Arts in Brescia, Italy, and holds a Master of Arts in Illustration for Publishing from Ars in Fabula in Macerata, Italy.