The Green Cat author and illustrator Robert Jacobson lives in Moscow, Idaho. He has worked as an advertising and fine artist, university professor, book illustrator, magazine art editor and children's magazine illustrator. As the founder of RJ Design he is the creator of more than 500 educational posters for schools and libraries. He and his son Erik are graphic design partners at Longfeather Book Design. They also collaborated together to produce the children's book Pond Hockey: Kita Learns to Skate.