Esther Buerki is a journalist and communication manager who loved to read her old children’s books to her sons every night before they went to bed. She studied French, German, and English and has been published many times in Swiss newspapers. Esther currently resides in Winterthur, Switzerland with her two sons and four cats. The Bulgarian artist, Teodora Dimitrova, studied at the National school of Fine Arts “Ilia Petrov”. She lectures about illustrations at the Academy of Art in Sofia and works as a freelancer. Her paintings in Leonard and Loulou are her first work outside of her home country, Bulgaria.