Hiroo Isono (磯野宏夫, Isono Hiroo; 1945–2013) was a Japanese painter and illustrator known for his detailed forest landscapes and nature‑themed imagery. Active in the late 20th and early 21st centuries. His work continued to be exhibited posthumously, including a major memorial exhibition in 2023 at the Furukawa Art Museum’s Furusawa Saburō Memorial Hall.
Source: “Hiroo Isono”, English Wikipedia (CC BY-SA 4.0), excerpt