Rien Poortvliet (1932–1995) was one of the most beloved Dutch illustrators, painters, and visual storytellers of the twentieth century. Born in Schiedam, he developed largely as an autodidact and grew into an artist with an exceptional ability to bring nature, animals, and folklore to life. His work is characterized by remarkable technical precision, a warm atmosphere, and a strong narrative character, enabling him to reach a wide audience.

Poortvliet initially gained fame with his detailed watercolors and drawings of wild animals, landscapes, and Dutch country life. As an avid nature lover, he spent much time in forests, meadows, and nature reserves, where he observed animals and captured their behavior. This direct connection with nature gave his work an authentic appearance and great credibility.

He achieved international fame with the world-famous gnome books he created together with writer Wil Huygen. With their rich illustrations and meticulously crafted fantasy world, these books managed to enchant millions of readers. Poortvliet created a completely believable world of gnomes, in which humor, nature appreciation, and craftsmanship came together. His images became iconic and later inspired television and animation productions as well.

In addition to his gnome books, Poortvliet published dozens of books on nature, hunting, history, religion, and the outdoors. His oeuvre forms a unique combination of illustration, painting, and storytelling. Due to his ability to unite observation, craftsmanship, and imagination, Rien Poortvliet remains one of the most influential and recognizable Dutch artists of the twentieth century.