Wijnand Otto Jan Nieuwenkamp, was a Dutch multi-faceted autodidact. As an artist he was active as a painter, draftsman, sculptor, etcher, lithographer, and designer of book covers and of ex-libris. In addition, he was also known as a writer, architect, explorer, ethnologist and collector of East Asian art.
He was the first European artist to visit Bali, being greatly influenced by and himself influencing the island's art and culture, and making it better known in wider world. He was also deeply involved with various other parts of the then Dutch East Indies.