Gisbert Combaz, or Ghisbert Combaz, was a Belgian painter, lithographer, illustrator, poster artist, furniture designer, sculptor, art educator, art historian and lawyer. He originally trained and practised as a lawyer, but gave up his legal career to dedicated himself to art education and art. He was one of the leading Belgian Art Nouveau artists. Despite his talents as a painter, he is now mainly known for his poster designs and postcards as well as his First World War drawings expressing his hatred for the German occupiers. His work showed a strong influence of his in-depth study of Japanese and Chinese art.

Jan Verhas or Jan Frans Verhas was a Belgian painter of the Realist school. He was known for his portraits and genre paintings often depicting children of the Belgian bourgeoisie. Jan Verhas also painted history paintings, coastal landscapes, beach scenes, seascapes and the occasional still life of flowers. He was an important representative of the Realist movement in Belgium.